Table 2. Characteristics of the women included in these analyses.
|
Alcohol
|
Smoking
|
|||||
|---|---|---|---|---|---|---|
| Non-drinkers | Drinkers a | Past | Never | Current | All women | |
| Number of women | 314 756 | 994 030 | 352 493 | 633 964 | 255 148 | 1 319 121 |
| Characteristics at recruitment | ||||||
| % Drinkersa | – | – | 81 | 76 | 70 | 76 |
| % Current smokers | 26 | 19 | – | – | – | 21 |
| % Lower socioeconomic statusb | 45 | 30 | 33 | 27 | 48 | 33 |
| Body mass index (kg m−2): mean (s.d.) | 27.2 (5.4) | 25.9 (4.4) | 26.7 (4.8) | 26.2 (4.6) | 25.6 (4.5) | 26.2 (4.7) |
| Height (cm): mean (s.d.) | 161.2 (6.9) | 162.2 (6.7) | 162.3 (6.7) | 162.0 (6.7) | 161.5 (6.8) | 162.0 (6.7) |
| Age (years): mean (s.d.) | 57.3 (4.9) | 56.4 (4.8) | 56.8 (4.9) | 56.8 (4.9) | 55.8 (4.5) | 56.6 (4.9) |
| Follow-up | ||||||
| Woman-years observed (1000s) | 3218.0 | 10270.0 | 3622.3 | 6608.7 | 2562.9 | 13593.7 |
| Number of incident cases: ICD-O–3 | 2469 | 6617 | 2532 | 4312 | 1797 | 9162 |
| Number of incident cases: ICD-10 | 2152 | 5726 | 2191 | 3808 | 1487 | 7941 |
Abbreviations: ICD-O-3=International Classification of Diseases for Oncology 3rd edition; ICD-10=International Classification of Diseases 10th revision.
a
⩾0.5 drinks per week, in units equivalent to 10 g pure alcohol.
b
Highest within-study tertile of the 1991 Townsend deprivation index for the census enumeration district or output area of the home address.