Table 4. Health risk factors, by occupation subgroup (n = 1765).
| Total | Construction workers | Office clerks/professionals | |
|---|---|---|---|
| (n = 1765) | (n = 1443) | (n = 322) | |
| n(%) | n(%) | n(%) | |
| Blood pressure*** | |||
| Normal (SBP<120 and DBP<80 mmHg) | 256 (14.7) | 189 (13.3) | 67 (21.0) |
| Pre-hypertension (SBP120-139 or DBP 80–89 mmHg) | 1117 (64.0) | 914 (64.1) | 203 (63.6) |
| Hypertension (SBP 140–159 or DBP 90–99 mmHg) | 371 (21.3) | 322 (22.6) | 49 (15.4) |
| Total cholesterol | |||
| Desirable (<5.2mmol/L) | 1381 (80.5) | 1132 (80.6) | 249 (80.3) |
| Borderline high (≥5.2 and <6.2mmol/L) | 261 (15.2) | 217 (15.4) | 44 (14.2) |
| High (≥6.2mmol/L) | 73 (4.3) | 56 (4.0) | 17 (5.5) |
| HDL cholesterol* | |||
| Undesirable (<1.03mmol/L for men, <1.29mmol/L for women) | 694 (40.5) | 583 (41.6) | 111 (35.8) |
| Acceptable | 641 (37.4) | 528 (37.6) | 113 (36.5) |
| Desirable (≥1.55mmol/L; protective against heart disease) | 378 (22.1) | 292 (20.8) | 86 (27.7) |
| Blood glucose* | |||
| Normal (<7.8mmol/L) | 1617 (92.3) | 1310 (92.4) | 307 (97.2) |
| Impaired (≥7.8 to <9.0mmol/L) | 50 (2.9) | 46 (3.2) | 4 (1.3) |
| Diabetic (≥9.0mmol/L) | 66 (3.8) | 61 (4.3) | 5 (1.6) |
| Weight status*** | |||
| Underweight | 31 (1.8) | 22 (1.5) | 9 (2.8) |
| Normal weight | 505 (28.6) | 378 (26.2) | 127 (39.4) |
| Overweight | 401 (22.7) | 334 (23.1) | 67 (20.8) |
| Obese | 807 (46.3) | 694 (48.6) | 113 (35.8) |
| Waist to hip ratio (WHR)*** | |||
| At risk (≥0.9 for men; ≥0.8 for women) | 867 (49.9) | 754 (53.1) | 113 (35.5) |
| Normal (<0.9 for men; <0.8 for women) | 872 (50.1) | 667 (46.9) | 205 (64.5) |
| Exhaled CO*** | |||
| Non-smoker/normal (0 to 6ppm) | 742 (42.6) | 588 (41.2) | 154 (48.7) |
| Smoker/at risk (>6ppm) | 1000 (57.4) | 838 (58.8) | 162 (51.3) |
| Peak expiratory flow (PEF) value* | |||
| Low PEF (high risk) | 468 (27.2) | 397 (28.2) | 71 (22.5) |
| Normal PEF | 1255 (72.8) | 1011 (71.8) | 244 (77.5) |
*p<0.05;
** p<0.01;
*** p<0.001