Table 3 ORs (95% CI) of demographic and life-style factors reported among respondents in the multivariate logistic regression analysis for registry-confirmed (confirmed cancer) and only self-reported cancer (non-confirmed cancer) with adjustment for age and sex

Education

   Higher

1

1

   Lower

0.913

0.719 - 1.159

1.523

1.039 - 2.232

Marital status

   Marriage /cohabitation

1

1

   Single/widow/divorced

1.384

1.083 - 1.768

1.596

1.119 - 2.274

Living

   With ≥1 persons

1

1

   With 0 persons

1.366

1.050 - 1.777

1.431

0.957 - 2.138

Obesity

   BMI < 30

1

1

   BMI ≥ 30

1.024

0.799 - 1.311

2.120

1.497 - 3.003

Smoking

   No

1

1

   Quitted

1.219

0.941 - 1.579

1.105

0.718 - 1.700

   Regular (<5 cigarettes/day)

0.910

0.369 - 2.249

1.326

0.411 - 4.277

   Regular (≥5 cigarettes/day)

0.989

0.713 - 1.372

1.652

1.062 - 2.571

Alcohol use

   None 0r minimal

1

1

   Moderate

0.835

0.661 - 1.055

0.754

0.527 - 1.077

   Heavy

0.655

0.373 - 1.151

1.100

0.553 - 2.190

Exercise activity

   Much (met≥2)

1

1

   Little (met<2)

0.904

0.708 - 1.153

1.083

0.755 - 1.553