Table 1.

Parent and Child Characteristics and Factors Associated With Parent Report of Strict Smoke-free Home Policy (n = 952)

Variable	% Overall	% Policy Present	% No Policy Present	P
Parent reports a strict smoke-free home policy	54.3	…	…	…
Parent age				.071
≥45 y	6.6	41.3a	58.7
25–44 y	67.4	53.7	46.3
18–24 y	26.0	59.1a	40.9
Age of youngest child at visit				.007
>10 y	13.0	36.1a,b	63.9
6–10 y	17.8	47.9b,c	52.1
<5 y	69.3	60.2a,c	39.8
Parent education				.011
High school or less	58.7	49.2	50.8
More than high school	41.3	61.7	38.3
Parent race/ethnicity				.033
Non-Hispanic black	18.7	43.8	56.2
Non-Hispanic white	62.9	55.8	44.2
Hispanic	13.3	55.9	44.1
Other	5.0	70.8	29.2
Child insurance status				.001
Medicaid	64.7	47.6a,b,c	52.4
HMO/private insurance	28.0	66.4a	33.6
Self-pay	3.6	67.6b	32.4
Other	3.7	71.4c	28.6
Reason for visit				.037
Sick child	41.9	47.6a	52.4
Well child	42.7	60.6a	39.4
Other	15.4	55.1	44.9
Parent tobacco use				<.0001
10 or more cigarettes/d	53.3	45.0	55.0
<10 cigarettes/d	46.7	64.9	35.1
Parent stage of change				(0.54)
Consider quitting in next 30 d	43.4	54.9	45.1
Consider quitting in next 6 mo	29.3	56.1	43.9
Do not consider quitting in next 6 mo	27.3	51.4	48.6
Other home smokers				<.0001
Any (≥1)	59.1	48.7	51.3
None	40.9	62.5	37.5
Who smokes				<.0003
All other combinations	87.3	52.3	47.7
Father only	12.7	71.4	28.6
Parent believes thirdhand smoke is harmful				.043
Disagree	8.7	40.7	59.3
Agree	91.3	55.2	44.8
Parent reports having a strict smoke-free car policy				<.0001
No	80.2	47.6	52.4
Yes	19.8	82.7	17.3

^aIndicates which subgroups are different at P ≤ .05 within each characteristic.

^bIndicates which subgroups are different at P ≤ .05 within each characteristic.

^cIndicates which subgroups are different at P ≤ .05 within each characteristic.