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. 2019 Feb 19;51(4):1285–1294. doi: 10.4143/crt.2018.464

Table 1.

General characteristics of participants in pilot test by smoking status

Characteristic Current smokers (n=138) Former smokers (n=118) p-valuea)
Sex
 Male 136 (98.6) 117 (99.2) 0.559
 Female 2 (1.4) 1 (0.8)
Age group (yr)
 55-64 106 (76.8) 80 (67.8) 0.107
 65-74 32 (23.2) 38 (32.2)
Smoking history (pack year)
 < 40 59 (42.8) 74 (62.7) 0.001
 ≥ 40 79 (57.2) 44 (37.3)
Years of education
 ≤ 9 40 (29.0) 28 (23.7) 0.609
 10-12 46 (33.3) 41 (34.7)
 ≥ 13 47 (34.1) 45 (38.1)
 No answer 5 (3.6) 4 (3.5)
Monthly household income (million won)
 ≤ 199 53 (38.4) 36 (30.5) 0.116
 200-399 41 (29.7) 49 (41.5)
 ≥ 400 36 (26.1) 25 (21.2)
 No answers 8 (5.8) 8 (6.8)

Values are presented as number (%).

a)

Analyzed by chi-square test.