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Table 2 Multivariate logistic models for awareness of the role of physical activity in breast cancer prevention

From: Awareness and correlates of the role of physical activity in breast cancer prevention among Japanese women: results from an internet-based cross-sectional survey

  n OR (95% CI) AOR (95% CI)
Age      
20–29 197 1 (ref) 1 (ref)
30–39 197 0.78 (0.52–1.36) 0.79 (0.36–1.73)
40–49 198 0.64 (0.42-0.98)** 1.15 (0.59–2.25)
50–59 195 0.80 (0.53-1.20) 0.62 (0.37–1.05)
60–69 198 0.56 (0.37-087)* 0.91 (0.56–1.49)
Marital status      
Unmarried 253 1 (ref) 1 (ref)
Married 732 0.84 (0.62-1.13) 1.75 (1.05–2.92)*
Having children      
No 361 1 (ref) 1 (ref)
Yes 624 0.65 (0.50-0.86)** 0.56 (0.36–0.86)**
Education      
Less than high school graduate 303 1 (ref) 1 (ref)
2 years college or equivalent 335 1.25 (0.88-1.76) 1.00 (0.68–1.49)
College graduate 347 1.75 (1.25-2.45)** 1.50 (1.01–2.22)*
Employment status      
Not full time 692 1 (ref) 1 (ref)
Employment full time 293 1.22 (0.99-1.63) 1.04 (0.72–1.50)
Household income/yen      
<3,000,000 168 1 (ref) 1 (ref)
<5,000,000 266 0.72 (0.47-1.08) 0.65 (0.40–1.04)
<7,000,000 237 0.74 (0.48-1.12) 0.58 (0.40–1.08)
<10,000,00 183 0.88 (0.57-1.36) 0.79 (0.47–1.33)
≥10,000,000 131 0.80 (0.49-1.30) 0.66 (0.37–1.17)
Menopause      
Pre-menopause 642 1 (ref) 1 (ref)
Post-menopause 343 0.71 (0.53-0.95) 0.62 (0.34–1.11)
Cancer history      
No 935 1 (ref) 1 (ref)
Yes 50 1.36 (0.75-2.44) 0.95 (0.50–1.82)
  n OR (95%CI) AOR (95%CI)
Exposure to information      
No 267 1 (ref)*** 1 (ref)
Yes 618 2.51 (1.85-3.39)*** 2.11 (1.51–2.95)***
Knowledge of breast cancer (symptoms)      
Low 437 1 (ref) 1 (ref)
High 548 2.48 (1.86-3.30)*** 2.43 (1.75–3.36)***
Knowledge of breast cancer (risk factor)      
Low 408 1 (ref) 1 (ref)
High 577 0.28 (0.21-0.38)*** 0.30 (0.22–0.40)***
Knowledge of breast cancer (screening test)      
Low 177 1 (ref) 1 (ref)
High 808 1.43 (0.99-2.07) 1.16 (0.76–1.76)
Level of physical activity      
Inactive 565 1 (ref) 1 (ref)
Some regular activity 181 1.23 (0.80-1.88) 0.98 (0.61–1.59)
Meet physical activity recommendations 239 1.39 (0.99-1.94) 1.21 (0.83–1.77)
  1. Notes. OR, odds ratio; AOR, adjusted odds ratio; CI, confidence interval.; ref, referent group. *p < .05; **p<.01; ***p < .001.
  2. Note: The multivariate model examined all variables simultaneously and mutually adjusted them for each other.