Table 1

Age, height, and lung function in never smoking employees with different exposures to environmental tobacco smoke

Exposure		n		Age			Height			FEV₁		FVC
Exposure		n		Mean	SE		Mean	SE		Mean	SE	Mean	SE
For men
At work
None	55	39.8	1.4		1.75	0.01	3.88	0.09	4.50	0.11
Little	51	40.4	1.4		1.74	0.01	3.80	0.09	4.24	0.11
Some	32	40.0	1.9		1.74	0.01	3.73	0.10	4.30	0.12
A lot	11	37.3	1.8		1.78	0.02	3.59	0.19	4.07	0.27
At home
None	104	39.9	0.9		1.75	0.01	3.83	0.06	4.42	0.08
Little	19	37.9	2.5		1.74	0.02	3.82	0.12	4.30	0.17
Some	15	40.1	2.7		1.72	0.02	3.81	0.20	4.13	0.19
A lot	11	41.8	3.4		1.72	0.02	3.47	0.18	3.86	0.20
At other places
None	15	43.7	2.8		1.75	0.02	3.83	0.13	4.44	0.14
Little	73	40.3	1.2		1.75	0.01	3.81	0.08	4.37	0.10
Some	50	38.7	1.3		1.75	0.01	3.88	0.09	4.38	0.11
A lot	11	37.0	2.9		1.70	0.03	3.33	0.22	3.77	0.26
Total environmental tobacco smoke
None	30	41.6	1.8		1.76	0.01	3.94	0.13	4.61	0.14
Little	73	39.6	1.2		1.75	0.01	3.82	0.07	4.35	0.10
Some	29	38.9	1.8		1.74	0.02	3.71	0.12	4.19	0.13
A lot	17	39.5	2.2		1.73	0.02	3.62	0.16	4.01	0.19
For women
At work
None	62	38.8	1.3		1.63	0.01	2.87	0.07	3.26	0.08
Little	54	38.9	1.5		1.61	0.01	2.72	0.07	3.04	0.09
Some	15	38.1	2.1		1.58	0.01	2.63	0.12	2.93	0.14
A lot	15	42.0	2.9		1.62	0.02	2.58	0.09	3.00	0.14
					^1-150
At home
None	105	38.8	1.0		1.62	0.01	2.77	0.05	3.12	0.06
Little	24	39.4	1.8		1.59	0.02	2.67	0.09	3.01	0.12
Some	10	35.6	3.1		1.67	0.02	3.07	0.21	3.54	0.26
A lot	7	48.2	4.7		1.63	0.02	2.52	0.15	2.81	0.18
					^1-150
At other places
None	21	42.2	2.5		1.63	0.02	2.70	0.11	3.06	0.14
Little	70	37.1	1.1		1.62	0.01	2.86	0.07	3.23	0.08
Some	46	40.3	1.6		1.60	0.01	2.66	0.07	3.01	0.08
A lot	9	41.9	3.9		1.62	0.02	2.64	0.13	2.91	0.17
Total environmental tobacco smoke
None	37	39.5	1.5		1.63	0.01	2.88	0.09	3.22	0.09
Little	74	38.3	1.3		1.61	0.01	2.74	0.06	3.11	0.08
Some	26	38.3	1.8		1.61	0.02	2.73	0.09	3.15	0.12
A lot	9	46.2	3.3		1.62	0.02	2.50	0.13	2.72	0.12