Table 4

Effects of ETS exposure on flow measures from cross-sectional studies in school aged children: studies included in meta-analyses

ID		FVC			FEV₁			MEFR			EEFR		Exposure (refers to current smoking status unless specified)		Adjustments
ID		p value	b		SE	p value		b	SE		p value	b			Adjustments	SE	p value	b	SE
48	0.870	−0.32	1.96	0.376	−1.85	2.09	0.075	−6.33	3.56				Mother ⩾10/day v mother non-smoker	Ht, sex
49	0.668	1.59	3.71	0.777	0.91	3.21	0.811	−0.92	3.85	0.604	−2.56	4.93	Children of smoking parents vs non-smoking parents	Age, ht, sex, wt
50	0.460	−1.1	1.49	0.63	−1.55	3.23	0.01	−4.3	1.69	0.02	−5.7	2.42	At least mother smokes vs everyone non-smoker	Age, ht, sex, area
51	0.461	0.14	0.19	0.008	−0.48	0.18							Mother current vs never (at 1st examination)	Age, sex, ht, wt, city
52	>0.05	n/a	n/a	0.004	−2.25	0.78	0.018	−4.41	1.87	0.004	−7.23	2.5	Father smoking 10 cigs/day for 10 years vs non-smoker	Age, ht, chest cir, wt, edu, area, resp. ill, FVC
53	0.173	−3	2.2	0.032	−4.5	2.1	0.027	−9.5	4.3				Both parents smoke vs neither	Active smokers excluded, age, sex, ht
54	0.042	−2.4	1.18	0.087	−2	1.17	0.025	−3.85	1.72				Both parents vs none	Age, ht, sex
55	0.071	−3	1.66	0	−6.1	1.65	0	−14.4	2.67				Maternal smoking vs not	Age, ht, sex. Asthmatics excluded
56	0.146	−1.6	1.1	0.040	−2.1	1.02	0.024	−4.6	2.04	0.155	−2.6	1.83	Mother smokes vs not	Sex, ht
57	0.220	−0.45	0.37	0.006	−1.07	0.39							Maternal smoking during preg. and 1st 2 yrs of life vs not	Age, sex, ht, wt, area, edu, asthma, gas
58	0.376	−0.7	0.79	0.023	−1.8	0.79	0.006	−5.2	1.89				ETS daily in the home vs not	Age, sex, ht, edu, gas, respiratory problems
59	1.000	0	0.77	0.208	−1.8	1.43	0.136	−4	2.68	0.023	−7.5	3.29	Top cotinine quintile vs bottom	Age, sex, ht, edu
60	0.598	10.5	19.9	0.587	12.5	23							Both parents smoke vs none	Age, ht, area
61	0.385	0.4	0.46	0.385	−0.4	0.46	0.001	−2.8	0.87	0.026	−2.5	1.12	Mother only vs neither parent	Age, sex, ht, wt, + other. Asthmatics excluded
62	0.058	3.75	1.98	0.971	0.07	1.92	0.005	−9.56	3.37				Maternal ⩾1/2 pack/day vs less or non-smoker	Age, sex, ht
63	0.000	−2	0.54	0.000	−2.2	0.51	0.000	−4.8	0.97	0.010	−3.3	1.28	Top 5th of salivary cotinine vs non-detectable	Age, sex, ht, area, active smoking
64	0.405	−0.3	0.36	0.012	−0.9	0.36	0.003	−2.6	0.87				20 cigs/day in the home vs none	Age, sex, ht, wt, area, edu, asth, gas
65	1.000	0	0.25	0.000	−0.9	0.25	0.000	−3.6	0.63	0.000	−5.3	0.78	Maternal smoking in past year vs not	Age, sex, ht, wt, area, edu
66	0.574	0.5	0.89	0.111	−1.5	0.94	0.000	−8.1	0.54				Maternal smoking during pregnancy (y/n)	Age,sex,ht,area, edu, current maternal smoking
67	0.263	−1.4	1.25	0.002	−4.15	1.37	0.000	−10.85	2.83				Exposed to passive smoke all of life vs <10% of life	Age, sex, ht, social class, gas
68	0.930	0.16	1.83	0.312	−1.78	1.76	0.075	−6.08	3.42	0.452	−3.8	5.05	Top cotinine quartile vs bottom	Age, ht, sex, BMI
69							0.015	3.3	1.36				No. of smokers in household	Age, ht, sex, area, sclass, gas, pets, allergy