11-Year Trends in Pregnancy-Related Health Indicators in Maine, 2000–2010

Table 1

Prepregnancy demographics for women giving birth in Maine, 2000–2010.

Variable		Grand mean	95% CI		trend	Slope
Maternal age (yrs)	12561	28.1	28.0	28.3	0.351
Maternal age 1st birth (yrs)	6124	26.1	26.0	26.3	0.804
Maternal BMI	12561	25.8	25.6	25.9	<0.0001	0.153
No previous live birth (%)	12460	45.7	44.7	46.8	0.042	0.014
Married (%)	12561	63.6	62.5	64.6	<0.0001	−0.062
Maternal education ≤12 yrs (%)	12514	45.2	44.2	46.2	0.0009	−0.023
Household income <$20 k/yr (%)	11981	31.8	30.8	32.8	0.210
Maternal race not white (%)	12270	3.1	2.7	3.5	0.020	0.049