TABLE 3.

Predictors of Parental Confirmed Quits in the Total Randomized Population

Characteristic	Total, N	Quit, n (%)	P
Arm			.88
Control	981	40 (4.1)
Intervention	999	43 (4.3)
Age of the parent			.28
<30 years/unknown	1059	49 (4.6)
≥30 years	921	34 (3.7)
Gender			.009
Male	429	10 (2.3)
Female	1551	73 (4.7)
Race			.019
White	1331	67 (5.0)
Other	649	16 (2.5)
Education			.22
Less than high school	1222	45 (3.7)
High school graduate or higher	758	38 (5.0)
Child’s age			.16
<1 years	523	16 (3.1)
≥1 year/unknown	1457	67 (4.6)
Medicaid			.21
Yes	1330	50 (3.8)
No	650	33 (5.1)
Private insurance/HMO			.13
Yes	511	29 (5.7)
No	1469	54 (3.7)
Frequency of smoking at baseline			.008
Everyday	1680	59 (3.5)
Some days	300	24 (8.0)
Number of cigarettes/day at baseline			<.0001
<10 cigarettes/day	862	61 (7.1)
≥10 cigarettes/day	1118	22 (2.0)
Other smokers in home			.92
Yes	1176	49 (4.2)
No	804	34 (4.2)
Stage of quitting at baseline			.048
Plan to quit in 30 days	841	46 (5.5)
Plan to quit in 6 months	564	22 (3.9)
No plan to quit within 6 months	574	15 (2.6)
Strictly enforced home smoking policy at baseline			.40
Yes	1041	47 (4.5)
No	939	36 (3.9)
Strictly enforced car smoking policy at baseline			.51
Yes	393	19 (4.8)
No	1587	64 (4.0)
Any assistancea			.024
Yes	950	51 (5.4%)
No	1030	32 (3.1%)

N = 1980. HMO, health maintenance organization.

^aAt either the baseline visit or within 12 months after the baseline visit.