Table 2.

Pregnancy weight gain and prenatal care for women giving birth in Maine, 2000–2010.

Variable	Grand mean	95% CI		P trend	Slope
Weight gain (lbs)	29.7	29.4	30.0	<0.0001	−0.24
<15 lbs (%)	11.2	10.5	11.8	<0.0001	0.07
15–45 lbs (%)	77.9	77.0	78.8	<0.0001	−0.04
>45 lbs (%)	10.9	10.3	11.6	0.83
<recommended range (%)	21.1	20.3	22.0	<0.0001	0.04
Within recommended range (%)	36.4	35.4	37.4	0.07
>recommended range (%)	42.5	41.5	43.5	0.07
1st prenatal care (weeks)	8.6	8.5	8.7	0.65
Prenatal care 1st trimester (%)	92.8	92.2	93.4	0.47