Misclassification of smoking habits: An updated review of the literature

Table 3 Distribution of misclassification rate values from the studies included in Table 2 for the lower cut point (Cut 1)

		< 2%	2% to < 5%	5% to < 10%	10% to < 25%	25% to < 50%	> 50%	Total
M1	% of self-reported non-smokers whose cotinine implies current smoking	45	741	51	31	3	5	209
M2	% of self-reported never smokers whose cotinine implies current smoking	441	25	13	4	0	0	86
M3	% of self-reported ex-smokers whose cotinine implies current smoking	2	7	31	381	7	3	88
M4	% of self-reported current smokers whose cotinine implies non-smoking	16	29	341	42	18	3	142
M5	% of true current smokers who report being non-smokers	5	18	28	521	22	11	136
M6	% of true current smokers who report being never smokers	18	131	10	7	2	2	52
M7	% of true current smokers who report being ex-smokers	4	16	171	7	7	1	52
M8	% of self-reported current smokers (plus misclassified non-smokers) who report being non-smokers	11	30	42	651	28	9	185
M9	% of self-reported current smokers (plus misclassified non-smokers) who report being never smokers	25	191	11	7	2	2	66
M10	% of self-reported current smokers (plus misclassified non-smokers) who report being ex-smokers	7	21	221	10	5	1	66
M11	% of true non-smokers who report being current smokers	45	511	27	12	2	0	137

¹Includes the median.