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. Author manuscript; available in PMC: 2014 May 12.
Published in final edited form as: Ann Behav Med. 2010 May;39(2):170–183. doi: 10.1007/s12160-010-9175-7

Table 1.

Descriptive statistics of variables in this study

Variables VIF Mean SD Min Max
Individual level (N=4093)
  Health NA 0.00 0.86 −2.72 1.17
  Stress level (reference = no stress)
    Below average 2.08 0.19 0.39 0.00 1.00
    Average 2.55 0.33 0.47 0.00 1.00
    Above average 2.27 0.20 0.40 0.00 1.00
    High stress 2.07 0.16 0.36 0.00 1.00
  Demographics
    Age (continuous) 2.41 49.88 17.44 18.00 100.00
    Gender (Male=1, female=0) 1.08 0.30 0.46 0.00 1.00
    Race (African American=1, non-African American=0) 1.39 0.41 0.49 0.00 1.00
  Marital status (reference=single)
    Married/cohabiting (1, else=0) 1.47 0.39 0.49 0.00 1.00
    Widowed/separated (1, else=0) 1.71 0.28 0.45 0.00 1.00
  Socioeconomic status
    Employed (1, else=0, reference=others) 2.58 0.53 0.50 0.00 1.00
    Retired (1, else=0, reference=others) 3.30 0.22 0.42 0.00 1.00
    Incapable of working (1, else=0, reference=others) 1.77 0.11 0.31 0.00 1.00
    Education (over high school=1, else=0) 1.25 0.45 0.50 0.00 1.00
    Poverty status (below poverty line=1, else=0) 1.22 0.17 0.38 0.00 1.00
  Religious service attendance (reference=never)
    Attending yearly (yes=1, no=0) 1.83 0.26 0.44 0.00 1.00
    Attending monthly (yes=1, no=0) 1.65 0.15 0.36 0.00 1.00
    Attending weekly (yes=1, no=0) 2.21 0.41 0.49 0.00 1.00
  Neighborhood participation (reference=none)
    Joining one group (yes=1, else=0) 1.21 0.23 0.42 0.00 1.00
    Joining at least two groups (yes=1, else=0) 1.31 0.22 0.41 0.00 1.00
    Neighborhood trust 1.19 0.00 0.99 −2.98 1.70
  Access to medical resources
    Insured (having health insurance=1, else=0) 1.50 0.89 0.31 0.00 1.00
    Dental insurance (having dental insurance=1, else=0) 1.48 0.63 0.48 0.00 1.00
    Having regular source of care (yes=1, else=0) 1.10 0.90 0.30 0.00 1.00
    Transportation difficulty in seeing a doctor (no=1, yes=0) 1.15 0.88 0.32 0.00 1.00
  Neighborhood Level (N=45)
    Neighborhood safety 2.87 0.00 1.00 −1.86 2.12
    Residential stability 6.11 0.00 0.93 −3.25 1.64
    Medical resources 1.81 0.00 1.00 −0.55 4.03
    Daily vehicle miles traveled (standardized) 1.29 0.00 1.00 −1.13 4.14
    Social disadvantage 3.55 0.00 1.00 −1.65 2.38
    Concentrated affluence 5.26 0.00 1.00 −1.16 3.39
    Toxics release inventory sites (present=1, absent=0) 1.61 0.60 0.50 0.00 1.00
    Residual waste operations (present=1, absent=0) 1.39 0.40 0.50 0.00 1.00

VIF Variance Inflation Factor, SD Standard Deviation, Min. Minimum, Max. Maximum