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. Author manuscript; available in PMC: 2020 Nov 1.
Published in final edited form as: Free Radic Biol Med. 2019 Jul 29;143:95–100. doi: 10.1016/j.freeradbiomed.2019.07.032

Table 4.

Associations between specific gravity corrected urinary 8-iso-prostaglandin-F2α metabolite concentrations and psychosocial stress measures (N=476).

Crude Adjusted1
% Difference (95% CI) p % Difference (95% CI) p
ENRICHD Social Support Instrument
High Ref Ref Ref Ref
Medium 9.46 (−0.18, 20.0) 0.06 1.68 (−8.84, 13.4) 0.77
Low 12.3 (1.87, 23.7) 0.02 3.31 (−7.23, 15.0) 0.55
p trend 0.01 0.55
Perceived Stress Scale
Low Ref Ref Ref Ref
Medium 3.72 (−5.68, 14.1) 0.45 0.46 (−8.51, 10.3) 0.92
High 7.83 (−2.43, 19.2) 0.14 1.93 (−7.67, 12.5) 0.70
p trend 0.14 0.71
CES-D
Low Ref Ref Ref Ref
Medium 0.36 (−8.62, 10.2) 0.94 −0.14 (−8.81, 9.36) 0.98
High 7.22 (−2.96, 18.5) 0.17 1.87 (−7.74, 12.5) 0.71
p trend 0.18 0.73
Life Experience Survey
Low Ref Ref Ref Ref
Medium −0.98 (−10.0, 8.99) 0.84 −3.57 (−12.1, 5.82) 0.44
High 2.73 (−6.59, 13.0) 0.58 0.30 (−8.61, 10.8) 0.95
p trend 0.62 0.97
Neighborhood Perceptions
Low Ref Ref Ref Ref
Medium −0.52 (−9.38, 9.20) 0.91 0.84 (−7.84, 10.3) 0.86
High 4.53 (−7.20, 17.8) 0.47 1.78 (−9.42, 14.4) 0.77
p trend 0.58 0.75
1

Models are adjusted for maternal age, maternal education, and marital status.

Note: the number of imputed values for each variable were as follows: ENRICHD Social Support Instrument=36, Perceived Stress Scale=37, CES-D=45, Life Experience Survey=35, Neighborhood Perceptions=17.

Abbreviations: CI, confidence interval; Ref, reference; CES-D, Center for Epidemiologic Studies-Depression