Table 4.

Moderation of the relative risks (RR) (with 95% confidence intervals (CI)) of stress in relation to depressive or anxiety symptoms by social support^a

	High Social Support RR (95% CI)	Low Social Support RR (95% CI)	RR (95% CI) by social support within strata of stress
Three Month Depressive Symptomsb
3rd Quartile Stress Score	0.83 (0.35–1.96)	1.62 (1.33–1.97)	0.52 (0.22–1.19)
Median Stress Score	0.34 (0.11–1.09)	Ref	0.34 (0.11–1.09)
1st Quartile Stress Score	0.14 (0.03–0.68)	0.62 (0.51–0.76)	0.23 (0.05–1.11)
Six Month Depressive Symptomsc
3rd Quartile Stress Score	0.92 (0.49–1.71)	1.26 (1.07–1.48)	0.73 (0.40–1.33)
Median Stress Score	0.46 (0.22–0.97)	Ref	0.46 (0.22–0.97)
1st Quartile Stress Score	0.23 (0.09–0.59)	0.80 (0.67–0.94)	0.29 (0.10–0.78)
Three Month Anxiety Symptomsb
3rd Quartile Stress Score	0.46 (0.09–2.33)	1.59 (103–2.44)	0.29 (0.06–1.39)
Median Stress Score	0.35 (0.9–41.29)	Ref	0.35 (0.10–1.29)
1st Quartile Stress Score	0.26 (0.06–1.18)	0.63 (0.41–0.97)	0.41 (0.07–2.34)
Six Month Anxiety Symptomsb
3rd Quartile Stress Score	0.40 (0.06–2.69)	1.49 (1.26–1.76)	0.27 (0.04–1.82)
Median Stress Score	0.20 (0.02–2.26)	Ref	0.20 (0.02–2.26)
1st Quartile Stress Score	0.10 (0.01–1.93)	0.67 (0.57–0.79)	0.15 (0.01–2.84)

^aAdjusted for maternal age, depressive or anxiety symptoms at birth, and maternal education;

^bInteraction term not significant at p<0.05;

^cInteraction term significant at p<0.01