Table 1. Characteristics of 623 080 The Million Women Study participants who provided details on the frequency of consumption of organic food and who did not change their diet in the last 5 years because of illness.
|
Frequency of consumption of organic food |
|||
|---|---|---|---|
| Never (n=187 451) | Sometimes (n=390 040) | Usually/always (n=45 589) | |
| Age, mean (s.d.), years | 59.3 (4.9) | 59.1 (4.9) | 59.7 (5.0) |
| Socioeconomic status, % (n) in upper third | 31 (58 014) | 37 (142 261) | 33 (15 235) |
| BMI, mean (s.d.), kg m−2 | 26.3 (4.5) | 25.8 (4.3) | 25.4 (4.3) |
| Height, mean (s.d.), cm | 161.9 (6.7) | 162.6 (6.6) | 162.8 (6.8) |
| Current smoker, % (n) | 16 (29 624) | 11 (40 311) | 11 (4703) |
| Alcohol consumption, mean (s.d.), gram per week | 42.0 (57.2) | 49.6 (59.6) | 49.8 (60.5) |
| Strenuous physical activity, % (n) > once weekly | 35 (64 051) | 46 (176 585) | 55 (24 288) |
| Parity, mean (s.d.) number of full-term pregnancies | 2.2 (1.2) | 2.0 (1.2) | 2.0 (1.2) |
| Fibre consumption, mean (s.d.), gram per day | 12.8 (4.7) | 14.4 (4.8) | 15.0 (5.4) |
| Consumers of red and processed meat, % (n) | 58 (108 182) | 52 (203 283) | 43 (19 570) |
|
Follow-up for cancer incidence | |||
| Number of incident cancers (total =53 769) | 16 520 | 33 307 | 3942 |
| Woman-years of follow-up (in 1000s) | 1743 | 3618 | 420 |
Abbreviation: BMI=body mass index.
Missing values not included in denominator for percentages. Values for socioeconomic status, height, parity, and strenuous physical activity are those reported in the recruitment survey. Values for age, BMI, smoking status, alcohol consumption, fibre consumption, and red and processed meat consumption are those reported in the 3-year survey.