Table 1 –
Participant characteristics weighted by person-years in quintiles of hyperinsulinemic and inflammatory diet scores in the Health Professionals Follow-up Study (1986–2014)
| Quintile 1 | Quintile 3 | Quintile 5 | |
|---|---|---|---|
| Empirical dietary index for hyperinsulinemia | |||
| Median score | −1.18 | −0.01 | 1.19 |
| Age (yr) | 64.9 (10.9) | 64.7 (10.9) | 61.2 (10.5) |
| White (%) | 92 | 91 | 91 |
| Height (inches) | 70.1 (3.4) | 70.2 (3.2) | 70.3 (3.4) |
| Body mass index at age 21 (kg/m2) | 22.1 (5.6) | 22.1 (5.3) | 22.2 (5.6) |
| Ever smoker (%) | 56 | 52 | 50 |
| Family history of prostate cancer (%) | 12 | 12 | 12 |
| PSA screening in 1994 (%) | 39 | 37 | 31 |
| Multivitamin use (%) | 56 | 54 | 49 |
| Alcohol consumption (g/d) | 17.2 (18.6) | 10.5 (13.9) | 8.1 (13.0) |
| Physical activity (METs-h/wk) | 36.1 (30.1) | 31.8 (27.2) | 29.7 (25.9) |
| Aspirin use (%) | 44 | 44 | 41 |
| Total energy intake (kcal/d) | 2129 (631) | 1903 (605) | 2054 (662) |
| Body mass index (kg/m2) | 24.7 (3.6) | 25.2 (3.8) | 25.8 (4.6) |
| Empirical dietary inflammatory pattern | |||
| Median score | −1.20 | 0.05 | 1.14 |
| Age (yr) | 63.0 (10.4) | 65.0 (11.0) | 62.7 (11.0) |
| White (%) | 93 | 91 | 88 |
| Height (inches) | 70.3 (3.2) | 70.2 (3.5) | 70.0 (3.4) |
| Body mass index at age 21 (kg/m2) | 22.2 (5.4) | 22.0 (5.3) | 22.1 (5.7) |
| Ever smoker (%) | 62 | 51 | 46 |
| Family history of prostate cancer (%) | 12 | 12 | 12 |
| PSA screening in 1994 (%) | 37 | 37 | 32 |
| Multivitamin use (%) | 57 | 54 | 48 |
| Alcohol consumption (g/d) | 21.3 (20.2) | 9.7 (12.4) | 6.1 (11.3) |
| Physical activity (METs-h/wk) | 34.6 (29.1) | 32.2 (27.3) | 30.5 (26.4) |
| Aspirin use (%) | 47 | 43 | 40 |
| Total energy intake (kcal/d) | 2095 (627) | 1916 (608) | 2055 (663) |
| Body mass index (kg/m2) | 24.9 (3.8) | 25.0 (3.8) | 25.8 (4.4) |
MET = metabolic equivalent of task; PSA = prostate-specific antigen; SD= standard deviation.
All variables other than age are standardized to the age distribution of all participants. Values are presented as mean (SD) for continuous variables.