. Author manuscript; available in PMC: 2015 Nov 2.

Published in final edited form as: Stat Med. 2014 Nov 10;34(4):595–612. doi: 10.1002/sim.6357

Table C.I.

Multiple linear regression analysis of body mass index among White non-pregnant women (> 20 years).

Parameter	Estimate	Standard error	t value	Pr > \|t\|
Intercept	21.150	1.240	17.063	<.0001
Age	0.401	0.050	7.536	<.0001
Age²	–0.004	0.000	–7.642	<.0001
PIR	–0.579	0.096	–6.050	<.0001
Alcohol	–0.194	0.032	–6.050	<.0001
Former Smoker	0.295	0.320	0.932	0.358
Current Smoker	–0.955	0.324	–2.946	0.006
Physical Activity (×10⁻³)	–0.119	0.029	–4.099	<.0001
Insurance	–0.631	0.420	–1.502	0.142

PIR, poverty index ratio.