. Author manuscript; available in PMC: 2011 Oct 1.

Published in final edited form as: Obesity (Silver Spring). 2010 Apr 1;18(10):2064–2065. doi: 10.1038/oby.2010.69

Table 3.

Incident Obesity by Neighborhood SES Among Women with BMI<25 at Baseline, BWHS 1995–2005

			IRR (95% CI)
Neighborhood SES	Obesity Cases	Person-years	Model 1^*	Model 2^†
Quintile 1 (lowest)	319	15,506	1.55 (1.30, 1.83)	1.32 (1.10–1.59)
Quintile 2	308	15,676	1.48 (1.24, 1.76)	1.35 (1.13–1.61)
Quintile 3	298	16,332	1.32 (1.11, 1.57)	1.25 (1.04–1.49)
Quintile 4	296	17,352	1.22 (1.03, 1.45)	1.19 (1.00–1.42)
Quintile 5 (highest)	223	16,875	1.0	1.0
			P_trend<0.001	P_trend =0.001

BMI, body mass index; BWHS, Black Women’s Health Study; CI, confidence interval; IRR, incidence rate ratio; SES, socioeconomic status

Adjusted for age (continuous) and calendar time

^†

Adjusted for age (continuous), calendar time, years of education (≥12, 13–15, 16, ≥17), family income (≤$25,000, $25,001–$50,000, $50,001–$100,000, >$100,000), number of persons in the household (1, 2, 3, 4, ≥5), marital status (married, divorced/widowed/separated, single), number of cigarettes smoked per day (nonsmoker, <15, 15–24, ≥25), number of drinks per day (<1, 1–6, 7–13, ≥14), vigorous exercise (hours/week) (0, <1, 1–2.9, 3–4.9, 5–6.9, ≥7), walk for exercise (hours/week) (0, <1, 1–2.9, 3–4.9, 5–6.9, ≥7), energy intake (kcal/day) (quintiles), and percentage of calories from fat (quintiles)