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Table 3 The association between regular recreational physical activity and head and neck cancer

From: Regular recreational physical activity and risk of head and neck cancer

Regular recreational physical activity Case
N = 623
n (%)
Control
N = 731
n (%)
Model 1a
OR (95% CI)
Model 2b
OR (95% CI)
Model 3c
OR (95% CI)
Yes/No
 No regular exercise 414 (66.5) 397 (54.3) Reference Reference Reference
 Regular exercise 209 (33.5) 334 (45.7) 0.65 (0.51–0.82) 0.83 (0.64–1.09) 0.97 (0.73–1.28)
Intensity
 No regular exercise 414 (66.5) 397 (54.3) Reference Reference Reference
 light 10 (1.6) 10 (1.4) 0.88 (0.34–2.25) 0.98 (0.36–2.65) 1.07 (0.39–2.92)
 moderate 114 (18.3) 154 (21.1) 0.72 (0.53–0.98) 0.95 (0.68–1.33) 1.09 (0.77–1.54)
 vigorous 85 (13.6) 170 (23.3) 0.57 (0.42–0.77) 0.72 (0.51–1.02) 0.85 (0.60–1.22)
Frequency
 No regular exercise 414 (66.5) 397 (54.3) Reference Reference Reference
 3 days per week 38 (6.1) 60 (8.2) 0.76 (0.49-1.19) 1.13 (0.69-1.85) 1.29 (0.78-2.14)
 4–5 days per week 26 (4.2) 54 (7.4) 0.50 (0.30-0.83) 0.72 (0.41-1.27) 0.83 (0.47-1.47)
 6–7 days per week 145 (23.2) 220 (30.1) 0.66 (0.50-0.86) 0.79 (0.58-1.07) 0.93 (0.68-1.27)
Total MET-hours per week
 No regular exercise 414 (66.5) 397 (54.3) Reference Reference Reference
 0.1–10.0 43 (6.9) 64 (8.8) 0.63 (0.41–0.98) 0.84 (0.52–1.37) 0.95 (0.58–1.55)
 10.1–20.0 63 (10.1) 91 (12.4) 0.68 (0.47–0.98) 0.82 (0.55–1.24) 0.93 (0.61–1.41)
 20.1–30.0 38 (6.1) 64 (8.8) 0.63 (0.40–0.98) 0.82 (0.50–1.34) 0.97 (0.59–1.59)
  > 30.0 64 (10.3) 115 (15.7) 0.64 (0.45–0.91) 0.84 (0.56–1.24) 1.02 (0.68–1.54)
 Unknown 1 (0.1) 0 (0.0) -- -- --
Total years of regular exercise
 No regular exercise 414 (66.5) 397 (54.3) Reference Reference Reference
 0.1–5.0 114 (18.3) 165 (22.6) 0.71 (0.53–0.94) 0.80 (0.58–1.10) 0.90 (0.64–1.25)
 5.1–10.0 46 (7.4) 92 (12.6) 0.51 (0.34–0.76) 0.66 (0.42–1.03) 0.82 (0.52–1.28)
  > 10 49 (7.8) 77 (10.5) 0.69 (0.46–1.05) 1.28 (0.80–2.03) 1.54 (0.96–2.49)
  1. Abbreviations: CI confidence interval, N number, OR odds ratio
  2. aModel 1: OR and 95% CI were calculated using unconditional logistic regression, adjusted for sex, age, and education
  3. bModel 2: OR and 95% CI were calculated using unconditional logistic regression, adjusted for sex, age, education, cigarette smoking (pack-year categories), betel quid chewing (pack-year categories), and alcohol drinking (frequency)
  4. cModel 3: OR and 95% CI were calculated using unconditional logistic regression, adjusted for sex, age, education, cigarette smoking (pack-year categories), betel quid chewing (pack-year categories), alcohol drinking (frequency), and intake of vegetables and fruits
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