Table 1 Demographic and lifestyle characteristics of the head and neck cancer patients and control subjects
From: Regular recreational physical activity and risk of head and neck cancer
Characteristics | Case N = 623 n (%) | Control N = 731 n (%) | P |
|---|---|---|---|
Age (years) | |||
Mean (SE) | 55.4 (0.4) | 54.6 (0.4) | 0.20 |
Sex | |||
Men | 581 (93.3) | 713 (97.5) | 0.0001 |
Women | 42 (6.7) | 18 (2.5) | |
Education | |||
≤ Elementary school | 168 (27.0) | 123 (16.8) | <0.0001 |
Junior high | 185 (29.7) | 133 (18.2) | |
High school/Technical school | 202 (32.4) | 259 (35.4) | |
Some college or more | 68 (10.9) | 216 (29.6) | |
Alcohol drinking | |||
Never + occasional | 196 (31.5) | 385 (52.7) | <0.0001 |
Former regular | 89 (14.3) | 93 (12.7) | |
Current regular | 338 (54.2) | 253 (34.6) | |
Never | 186 (29.9) | 351 (48.0) | <0.0001 |
1 drink or less per month | 10 (1.6) | 34 (4.7) | |
1-2 drinks per week | 26 (4.2) | 51 (7.0) | |
3-5 drinks per week | 32 (5.1) | 44 (6.0) | |
Daily drinkers | 353 (56.6) | 245 (33.5) | |
Unknown | 16 (2.6) | 6 (0.8) | |
Betel quid chewing | |||
Never | 179 (28.7) | 509 (69.7) | <0.0001 |
Former | 235 (37.7) | 141 (19.3) | |
Current | 209 (33.6) | 80 (10.9) | |
Unknown | 0 (0.0) | 1 (0.1) | |
Never | 179 (28.7) | 509 (69.7) | <0.0001 |
0.1–9.9 pack-years | 92 (14.8) | 74 (10.1) | |
10.0–19.9 pack-years | 75 (12.0) | 44 (6.0) | |
20.0–29.9 pack-years | 68 (10.9) | 32 (4.4) | |
30.0 or more pack-years | 193 (31.0) | 69 (9.4) | |
Unknown | 16 (2.6) | 3 (0.4) | |
Pack-years (SE) | 26.8 (1.6) | 8.3 (0.8) | <0.0001 |
Cigarette smoking | |||
Never | 89 (14.3) | 230 (31.5) | <0.0001 |
Former | 117 (18.8) | 146 (20.0) | |
Current | 416 (66.8) | 354 (48.4) | |
Unknown | 1 (0.1) | 1 (0.1) | |
Never | 89 (14.3) | 230 (31.5) | <0.0001 |
0.1–9.9 pack-years | 27 (4.3) | 61 (8.3) | |
10.0–19.9 pack-years | 58 (9.3) | 89 (12.2) | |
20.0–29.9 pack-years | 109 (17.5) | 90 (12.3) | |
30.0 or more pack-years | 332 (53.3) | 256 (35.0) | |
Unknown | 8 (1.3) | 5 (0.7) | |
Pack-years (SE) | 35.8 (1.1) | 23.8 (1.0) | <0.0001 |
Vegetable intake | |||
Non-daily | 113 (18.1) | 59 (8.1) | <0.0001 |
Daily | 508 (81.6) | 672 (91.9) | |
Unknown | 2 (0.3) | 0 (0.0) | |
Fruit intake | |||
Non-daily | 434 (69.6) | 334 (45.7) | <0.0001 |
Daily | 186 (29.9) | 396 (54.2) | |
Unknown | 3 (0.5) | 1 (0.1) | |