Table 2

ORs (95% CI) from multilevel logistic regression models: presence of ordinance on prenatal maternal smoking (n=67 584)

Model 1Model 2
OR (95% CI)OR (95% CI)
No ordinance1.001.00
Any ordinance0.67 (0.54 to 0.83)0.72 (0.53 to 0.98)
Strong ordinance0.92 (0.67 to 1.27)1.08 (0.89 to 1.30)
Race
 Caucasian 1.00
 Hispanic 0.26 (0.23 to 0.30)
 African–American 0.44 (0.38 to 0.52)
 Other 0.51 (0.39 to 0.66)
Age
 +35 years 1.00
 30–34 years 0.87 (0.79 to 0.96)
 25–29 years 0.99 (0.89 to 1.09)
 ≤24 years 0.72 (0.64 to 0.80)
Education
 College or more 1.00
 Some college 6.44 (5.69 to 7.28)
 High school or less 12.10 (10.71 to 13.67)
Marital status
 Married 1.00
 Single 3.46 (3.20 to 3.77)
Parity 1.02 (1.02 to 1.03)
Nativity
 Foreign born 1.00
 US born 4.16 (3.61 to 4.79)
Town-level variables
Town size (population)
 >30 000 1.00
 15 000–30 000 1.04 (0.87 to 1.25)
 <15 000 1.12 (0.93 to 1.35)
Vote on Question 1
 No
 Yes 0.84 (0.62 to 1.14)
Percentage of town residents who are Caucasian (mean) 1.00 (1.00 to 1.00)
Percentage who are female (mean) 1.00 (0.96 to 1.03)
Town education (mean) 1.01 (1.01 to 1.01)