Table 3.

Association between race, stressful life events, and smoking

	Model 1: During Pregnancy		Model 2: Postpartum
	Adjusted*		Adjusted*
Interactions	PR (95% CI)	P value**	PR (95% CI)	P value**
Partner-related life event
Non-Hispanic White	Reference		Reference
Non-Hispanic Black	1.13 (0.86–1.48)	0.380	1.13 (0.91–1.39)	0.271
Hispanic	1.91 (1.28–2.86)	0.002	1.65 (1.23–2.23)	< 0.001
Non-Hispanic AI/AN	0.77 (0.44–1.36)	0.367	0.85 (0.42–1.66)	0.489
Non-Hispanic Asian	0.52 (0.20–1.39)	0.194	0.84 (0.42–1.66)	0.616
Non-Hispanic Other	1.49 (0.38–5.78)	0.567	1.23 (0.27–5.50)	0.788
Trauma-related life event
Non-Hispanic White	Reference		Reference
Non-Hispanic Black	1.52 (1.16–1.98)	0.002	1.23 (1.00-1.53)	0.052
Hispanic	2.04 (1.36–3.06)	0.001	1.76 (1.29–2.39)	< 0.001
Non-Hispanic AI/AN	1.28 (0.69–2.37)	0.429	2.84 (1.51–5.34)	0.185
Non-Hispanic Asian	2.65 (1.14–6.12)	0.023	2.84 (1.51–5.34)	< 0.001
Non-Hispanic Other	2.71 (0.66–11.05)	0.164	1.74 (0.36–8.34)	0.487
Emotional-related life event
Non-Hispanic White	Reference		Reference
Non-Hispanic Black	1.35 (1.04–1.76)	0.023	1.29 (1.05–1.58)	0.014
Hispanic	1.21 (0.79–1.85)	0.374	1.33 (0.98–1.81)	0.070
Non-Hispanic AI/AN	1.05 (0.60–1.83)	0.865	0.95 (0.59–1.51)	0.818
Non-Hispanic Asian	0.93 (0.40–2.18)	0.869	1.04 (0.54–2.03)	0.901
Non-Hispanic Other	8.78 (2.08–36.93)	0.003	8.15 (2.03–32.76)	0.003
Financial-related life event
Non-Hispanic White	Reference		Reference
Non-Hispanic Black	0.93 (0.71–1.22)	0.617	0.96 (0.78–1.18)	0.697
Hispanic	0.97 (0.65–1.45)	0.617	1.13 (0.84–1.52)	0.434
Non-Hispanic AI/AN	0.91 (0.52–1.61)	0.755	0.94 (0.59–1.51)	0.796
Non-Hispanic Asian	1.21 (0.51–2.85)	0.663	1.26 (0.67–2.38)	0.470
Non-Hispanic Other	2.32 (0.60–8.98)	0.223	5.40 (1.27–22.98)	0.022

* Adjusted for education, maternal age, insurance during pregnancy, WIC, parity, intimate partner violence

** Significance is < 0.05 (significant findings are in bold)

AI/AN = American Indian/Alaska Native

CI: confidence interval

PR: prevalence ratio