Age at smoking initiation and self-rated health among second grade high school boys and girls in Scania, Sweden, a cross-sectional study

Table 3 Odds ratios and 95 % CI of poor self-rated health of early and later smoking initiators

	Poor self-rated health
	Crude	CI	Model 1^a	CI	Model 2^b	CI	Model 3^c	CI	Model 4^d	CI
Boys
Never smokers	1		1		1		1		1
Early initiators former smokers	2.4	1.5–3.7	2.1	1.3–3.4	2.2	1.3–3.6	1.9	1.1–3.3	2.0	1.1–3.7
Early initiators current smokers	2.0	1.6–2.6	1.9	1.4–2.5	1.8	1.3–2.5	1.7	1.2–2.4	1.7	1.1–2.4
Later initiators former smokers	1.3	0.8–2.0	1.1	0.7–1.9	1.0	0.6–1.8	0.9	0.5–1.7	0.9	0.5–1.6
Later initiators current smokers	1.5	1.1–1.9	1.5	1.1–1.9	1.4	1.1–2.0	1.3	0.9–1.8	1.4	1.0–2.0
Girls
Never smokers	1		1		1		1		1
Early initiators former smokers	2.0	1.2–3.3	1.7	1.0–3.0	1.7	1.0–3.1	1.5	0.8–2.8	1.5	0.8–2.9
Early initiators current smokers	2.9	2.3–3.6	2.6	2.1–3.3	2.4	1.8–3.1	2.1	1.6–2.9	2.1	1.5–2.8
Later initiators former smokers	1.6	1.03–2.4	1.5	1.0–2.4	1.5	1.0–2.4	1.3	0.8–2.2	1.3	0.7–2.1
Late initiators current smokers	1.8	1.4–2.2	1.7	1.4–2.1	1.6	1.3–2.1	1.5	1.2–1.9	1.5	1.1–2.0

Crude and adjusted odds ratios (OR) and 95 % confidence interval (CI) of poor self-rated health by early (< 14 years) or late (≥ 14years) smoking initiation and current smoking status among second grade high school students, stratified by sex. The Scania public health survey among children and adolescents, 2012
^aModel 1-adjusted for age, parental country of birth and parental employment
^bModel 2-adjusted for model 1 and intense alcohol consumption and use of narcotic drugs last 12 months
^cModel 3-adjusted for model 2 and not easy to talk to parents and not easy to friends if problems
^dModel 4-adjusted for model 3 and weight and functional disability

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