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Women in Prison: A CrossSectional Analysis of Female Incarceration

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Title: Women in Prison: A CrossSectional Analysis of Female Incarceration


1
Women in Prison A Cross-Sectional Analysis of
Female Incarceration
  • Zohre Salehezadeh
  • Kenneth Kickham
  • Robert Bentley
  • Oklahoma Department of Human Services
  • National Association for Welfare Research and
    Statistics Conference
  • Tuesday, August 24th 2004, Oklahoma City, OK

2
Women in PrisonNational Data
  • In the United States, the rate of female
    incarceration has increased an average of 5.2
    percent per year since 1995.1
  • Between 1988 and 1997, the number of crime cases
    involving females under age 16 increased 89
    percent, while the number of cases involving
    females age 16 or older grew 74 percent.2
  • In 2002, sixty out of every 100,000 female U.S.
    residents were behind bars.3

3
Women in PrisonNational Data
  • Between 1990 and 1998
  • The number of female defendants convicted of
    felonies in state courts has grown at twice the
    rate of the increase in male defendants 4
  • The number of women per capita involved in
    corrections overall has grown 48 compared to a
    27 increase in the number of men per capita.5
  • Of the female offenders released from prison
    during 1994, about 58 percent were rearrested.6

4
Comparing the States
Source U.S. Dept. of Justice, Bureau of Justice
Statistics
5
Female Incarceration and Male Incarceration
  • State female incarceration rate is highly
    correlated with male incarceration rate.
  • Oklahoma ranks fourth among states in total
    incarceration rate.
  • Oklahoma ranks fifth in male incarceration rate.
  • Oklahoma leads all states in terms of female
    incarceration rate.7

6
Crime and Incarceration in Oklahoma
  • From 1974 to 2001, Oklahomas crime rate
    increased 14 percent, from 4,050 per 100,000
    population in 1974 to 4,619 in 2001.
  • The incarceration rate increased by more than 440
    percent, from 121 per 100,000 in 1974 to 658 in
    2001.
  • The incarceration rate continued to increase over
    the 1996-2000 period, in spite of declining crime
    rate.8

7
(No Transcript)
8
Research Questions
  • Why is Oklahomas female incarceration rate so
    high?
  • What are the possible factors correlated with
    state variations in female incarceration rates?

9
Research Approach
  • Review the literature to find the theoretical
    causes of female incarceration.
  • Search for data that fits the theories.
  • Develop a regression model with variables that
    tend to explain the variation in female
    incarceration rates across the states.
  • Discuss the implications.

10
What Does the Literature Suggest?
  • Many possible causes, including
  • History of abuse or neglect
  • Unstable family structure
  • Poverty
  • Mental health and substance abuse
  • Public policies
  • Severity of criminal justice system
  • Effectiveness of indigent defense system
  • Availability of social services

11
Oklahoma Data Supporting Possible Theoretical
Causes
  • In a survey9 of Oklahoma female inmates, more
    than 71 percent said they had been involved in an
    abusive relationship.
  • Forty-two percent lived with a single parent or
    other relatives as a child. 10
  • Sixty-one percent of these women had used drugs
    and 33 percent had used alcohol. 11

12
Data Set and Model
  • Our data set contains the fifty states, with the
    state values for over 70 variables, being
    measured at various times between 1996 and 2002.
  • We use regression modeling to see which variables
    can explain variation among the states in female
    incarceration rates.
  • The dependent variable is the number of
    incarcerated females (with sentences of more than
    one year) per 100,000 female residents in 2002.
  • The state values range from 11 (MA and RI) to 131
    (OK) female prisoners (natl. avg. 54).12

13
Many Variables Didnt Work
  • There were numerous variables that were expected
    to affect the rate of female incarceration, yet
    did not meet the criteria for inclusion in the
    final model. For example
  • Age demographics
  • Crime rate
  • Economic indicators, such as poverty rate, the
    female unemployment rate, and state government
    general revenue per capita and,
  • Education variables.
  • None worked well in the presence of other
    predictors.

14
Other Important Variables Not Included
  • Also, there were some variables we couldnt test
    due to a lack of data.
  • Number of domestic violence occurrences in each
    state. This data is not collected at national
    level and not available.
  • The rate of illicit drug use among females. This
    data is not available by state.
  • Amount of private investment in prison system.
    We expect higher incarceration rates will lead to
    higher returns on investment, giving private
    prisons a reason to lobby for tougher sentences.

15
Results of the Regression Model
Predictor Variable 13 ß t
? (Constant) 57.0
2.30 .026 People executed per million
population (2000) 11.0
2.25 .030 Child abuse/neglect deaths per
million pop. (1998) 2.15
1.85 .072 Federal spending for social
services per capita (1996)
-.55 -2.37 .022 Percent of people in
families headed by females
living below 125 of poverty
(2000) .53
1.89 .066 Mental health and subst. abuse
serv. availability (1997) 8.18
-2.23 .031 Percent of children living with
grandparents (2000) 3.98
3.40 .001 Indigent defense system (state
level) -9.64 -1.83
.075
16
Results of the Regression
  • The predictor variables explain 64.3 of the
    variation in female incarceration rates.
  • The estimated coefficients are all statistically
    significant ( gt 90 confidence) with the expected
    signs.
  • A decrease of one in Oklahomas female
    incarceration rate equates to approximately 18
    women.

17
Interpreting the Results
  • Severity of criminal justice system
  • Number of people executed per million population,
    2000 (Stat. Abstract)
  • Oklahoma ranks 1 3.2 per million pop. (natl.
    avg. 0.24)
  • If Oklahomas severity measure decreased by
    half (to 1.6), we would expect the female
    incarceration rate to decrease by 18 (from 131 to
    113).

18
Interpreting the Results
  • Abuse and neglect
  • Child abuse/neglect deaths per million
    population, 1998 (Urban Institute data)
  • Oklahoma ranks 1 13.04 per million pop. (natl.
    avg. 3.6)
  • If Oklahomas rate dropped to the national
    average, we would expect the female incarceration
    rate to decrease by 19.4 (from 131 to 112), all
    else being equal.

19
Interpreting the Results
  • Availability of social services
  • Federal spending for social services per capita,
    1996 (UI data)
  • Total federal spending on child welfare services,
    including funds from IV-B, IV-E, Medicaid, SSBG,
    EA and other sources.
  • Oklahoma ranks 38 16.04 per capita (natl.
    avg. 23.52)
  • If Oklahomas expenditures increased to the
    national average, we would expect the female
    incarceration rate to decrease by 4 (from 131 to
    127).

20
Interpreting the Results
  • Economic Stress
  • Of people in families headed by females, percent
    living below 125 of poverty, 2000 (Current
    Population Survey data)
  • Oklahoma ranks 5 52.5 (natl. avg. 43.6)
  • If Oklahomas rate dropped to the national
    average, we would expect the female incarceration
    rate to decrease by 4.7 (from 131 to 126.3).

21
Interpreting the Results
  • Mental Health and Substance Abuse (We used
    expenditures for services because incidence data
    was not available. Increased expenditures should
    reduce these problems, thus decreasing female
    incarceration.)
  • Federal expenditures for services per capita in
    1997 (Census data)
  • Oklahoma ranks 27 4.89 (natl. avg. 4.99)
  • If Oklahomas expenditures increased to 6.39 per
    capita (as in CA), we would expect the female
    incarceration rate to decrease by 12.5 (from 131
    to 118.5).

22
Interpreting the Results
  • Unstable family structure
  • Percent of children living with grandparents,
    2000 (Census data)
  • Oklahoma ranks 18 6.5 (natl. avg. 5.8)
  • If Oklahomas rate dropped to the national
    average, we would expect the female incarceration
    rate to decrease by 3 (from 131 to 128).

23
Interpreting the Results
  • Effectiveness of indigent defense system
  • Is the system funded primarily or totally at the
    state level, as opposed to county-level funding?
    (Spangenberg Group, 1998)
  • Oklahoma, KS, OH, SC are mixed states.
  • If Oklahomas indigent defense system were funded
    primarily or totally at the state level, we would
    expect the female incarceration rate to decrease
    by 4.8 (from 131 to 127.2).

24
Conclusion
  • The regression results suggest that
  • The severity of Oklahomas criminal justice
    system, and its mixed approach to indigent
    defense funding, contribute to the female
    incarceration problem.
  • The severity of Oklahomas criminal justice
    system is also supported by the fact that
    Oklahoma crime rate is 15th in the nation whereas
    it ranks 1st in female incarceration rate, 4th in
    total incarceration rate, and 5th in male
    incarceration rate in the nation. 14
  • Social service expenditures, particularly in the
    areas of mental health and substance abuse, have
    an inverse relationship with state variation in
    female incarceration rates.

25
Limitations of the Data
  • All correlations were done with incarceration
    rate data. This may be incorrectly computed due
    to some flaws in the comparability of the data
    among states. Some additional issues to
    consider
  • Do States with weak local funding sources have
    higher incarceration rates since local
    incarcerations may not be included in the data?
  • County jail inmates are not included in a states
    incarceration rate, although sentenced for a
    comparable amount of time.
  • Some crimes punished at the local level are not
    included in the states incarceration rate data.
  • Sentencing lengths, percentage of sentence
    served, and time served for comparable crimes
    among states are not taken into account.

26
References And Notes
  • 1. Harrison, Paige M. and Allen J. Beck.
    2003. Prisoners in 2002, Bureau of Justice
    Statistics Bulletin, U.S. Dept. of Justice, p. 5.
    http//www.ojp.usdoj.gov/bjs/pub/pdf/p02.pdf
  • 2. Scahill, Meghan C. 2000. Female Delinquency
    Cases, 1997, U.S. Dept. of Justice, Office of
    Justice Programs, Office of Juvenile Justice and
    Delinquency Prevention. http//www.ncjrs.org/pdffi
    les1/ojjdp/fs200016.pdf
  • 3. Harrison and Beck, p. 5.
  • 4. Greenfeld, Lawrence A. and Tracy L. Snell.
    1999. Women Offenders, Bureau of Justice
    Statistics Special Report, U.S. Dept. of Justice,
    p. 1. http//www.ojp.usdoj.gov/bjs/pub/pdf/wo.pdf
  • 5. Ibid, p. 6.
  • 6. Langan, Patrick A. and David J. Levin. 2002.
    Recidivism of Prisoners in 1994, Bureau of
    Justice Statistics Special Report, U.S. Dept. of
    Justice, Office of Justice Programs, p. 2.
    http//www.ojp.usdoj.gov/bjs/pub/pdf/rpr94.pdf
  • 7. Harrison and Beck, p. 4-5.
  • 8. http//www.doc.state.ok.us/

27
References And Notes
  • 9. Oklahoma Department of Corrections, 2002
    survey (an unpublished document) and Sharp, Susan
    F. and Susan T. Marcus-Mendoza. 2003. Female Drug
    Offenders in Oklahoma, A survey prepared for the
    Task Force on the Incarceration of Women in
    Oklahoma, also see http//www.mapinc.org/drugnews/
    v03/n1057/a06.html?212
  • 10. In 1980, according to Census data, 21.2
    percent of children in Oklahoma lived with a
    single parent or other relatives. This number
    increased to 31.6 percent in the year 2000.
  • 11. According to the Statistical Abstract of the
    United States (2002, Table 183), 5.1 percent of
    Oklahoma population used any illicit drug in
    1999. Female drug and alcohol abuse in Oklahoma
    is not available.
  • 12. Harrison and Beck, p. 5.
  • 13. The final slide lists some other variables we
    tested but did not meet the criteria to be
    included in the model.
  • 14. Statistical Abstract of the United States,
    2002. Also see http//www.doc.state.ok.us/
  • If you have any questions or comments, or would
    like copies of the surveys used in this
    presentation please contact me at
    zohre.salehezadeh_at_okdhs.org

28
Some Additional Variables We Tested
  • States' ranking based on AFDC benefit levels in
    1996, 1lowest amount, 5highest amount (Harknet,
    et.al. study, 2003)
  • Unemployment rate for females averaged
    93,4,5,7,8,9
  • Unemployment rate for males averaged 93,4,5,7,8,9
  • Burglary rate -per 100,000 pop.- in 2000 (Stat.
    Abs. 2002, Table 285)
  • Motor vehicle theft crime rate -per 100,000 pop.-
    in 2000 (Stat. Abs. 2002, Table 285)
  • Divorces per 1,000 population in 1998 (National
    Center for Health Statistics)
  • Percent of teens age 16 - 19 who are dropouts
    2000
  • Percent of persons age (25 and up) with bachelor
    degree or more
  • Elementary and secondary education expenditures
    per capita 98-99
  • Female population age 18 - 24 as percent of total
    population
  • Female population age 18 - 24 as percent of total
    FEMALE population
  • Female pop. age 25 - 44 as percent of total
    population
  • Female pop. age 25 - 44 as percent of total
    FEMALE population
  • Total federal spending on child welfare services,
    including funds from IV-E, IV-B, Medicaid, SSBG,
    EA, and other sources 1996"
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