Table 2 Baseline characteristics stratified by quartiles of cholesterol (numbers and proportions) in the cohort of healthy middle-aged men, n = 1997
From: Cholesterol and prostate cancer risk: a long-term prospective cohort study
Cholesterol (mmol/l) | |||||||
|---|---|---|---|---|---|---|---|
Total | Q1 (2.7–5.8) | Q2 (5.9–6.6) | Q3 (6.7–7.4) | Q4 (7.5–15.4) | P-value | ||
Age at inclusion (years) | <45 | 469 (23.5) | 155 (29.0) | 130 (24.9) | 103 (21.8) | 81 (17.3) | <0.001 |
45–49 | 568 (28.5) | 154 (28.8) | 158 (30.3) | 127 (26.9) | 129 (27.5) | ||
50–54 | 550 (27.5) | 126 (23.6) | 147 (28.2) | 139 (29.5) | 138 (29.4) | ||
55+ | 410 (20.5) | 99 (18.5) | 87 (16.7) | 103 (21.8) | 121 (25.8) | ||
Smoking | Ever | 1495 (74.9) | 386 (72.3) | 389 (74.5) | 351 (74.4) | 369 (78.7) | 0.13 |
Never | 502 (25.1) | 148 (27.7) | 133 (25.5) | 121 (25.6) | 100 (21.3) | ||
Physical fitness (kJ/kg) | T1 (21.1–118.6) | 666 (33.4) | 148 (27.7) | 172 (33.0) | 165 (35.0) | 181 (38.6) | <0.001 |
T2 (118.7–161.2) | 666 (33.4) | 164 (30.7) | 163 (31.2) | 161 (34.1) | 178 (38.0) | ||
T3 (161.3–514.9) | 665 (33.2) | 222 (41.6) | 187 (35.8) | 146 (30.9) | 110 (23.5) | ||
Body mass index (kg/m2) | <25 | 1209 (60.5) | 335 (62.7) | 324 (62.1) | 286 (60.6) | 264 (56.3) | 0.16 |
≥25 | 788 (39.5) | 199 (27.3) | 198 (37.9) | 186 (39.4) | 205 (43.7) | ||
Systolic blood pressure (mmHg) | Q1 (88–118) | 578 (28.9) | 181 (33.9) | 166 (31.8) | 132 (28.0) | 99 (21.1) | <0.001 |
Q2 (120–128) | 484 (24.2) | 150 (28.1) | 122 (23.4) | 96 (20.3) | 116 (24.7) | ||
Q3 (130–140) | 457 (22.9) | 99 (18.5) | 119 (22.8) | 114 (24.2) | 125 (26.7) | ||
Q4 (142–220) | 478 (23.9) | 104 (19.5) | 115 (22.0) | 130 (27.5) | 129 (27.5) | ||