Table 5.

The UC levels of conscripts who self-reported their smoking behaviour and SHS exposure^a.

Type of military services	Self-reported Smoker				Self-reported Nonsmoker				P-valuec
	Total	SHS Exposure	SHS Unexposed	P-valueb	Total	SHS Exposure	SHS Unexposed	P-valueb
Overall	407.2	408.8	399.6	0.318	2.6	2.7	2.6	0.874	<0.001
Military service conscript	418.9	424.7	418.9	0.700	2.6	4.4	2.5	0.023	<0.001
Basic military training conscript	396.5	407.2	306.9	0.063	2.7	2.6	2.8	0.215	<0.001

^aMedian level of urinary cotinine ng/mL; ^b p-value was examined by the Mann-Whitney U test; ^ccompared self-reported smoker and nonsmoker by the Mann-Whitney U test; SHS = second-hand smoke.