Table 1. Baseline Characteristics of the Participants (mean ± standard deviation).
| Birth Cohorts (years) | No. Of Subjects | Mean ± SD | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| IOP (mmHg) | SBP (mmHg) | DBP (mmHg) | BMI (kg/m2) | |||||||
| Male | Female | Male | Female | Male | Female | Male | Female | Male | Female | |
| 50–54 | 358 | 270 | 15.7±2.4 | 15.6±2.3 | 125.7±15.0 | 117.5±15.0 | 76.8±10.5 | 69.3±10.1 | 25.1±3.0 | 23.8±2.9 |
| 55–59 | 476 | 462 | 15.6±2.2 | 15.4±2.3 | 127.6±15.9 | 122.2±15.8 | 76.1±10.3 | 69.6±10.6 | 25.1±2.8 | 23.9±3.2 |
| 60–64 | 434 | 290 | 15.2±2.2 | 15.4±2.3 | 132.3±15.1 | 126.3±16.4 | 75.9±9.5 | 70.1±10.3 | 24.8±2.7 | 24.4±3.3 |
| 65–69 | 327 | 152 | 14.9±2.3 | 15.5±2.4 | 135.2±14.7 | 131.0±15.4 | 74.2±9.3 | 69.1±9.5 | 24.9±3.0 | 24.1±3.6 |
| 70–74 | 294 | 118 | 14.9±2.2 | 14.8±2.4 | 137.0±16.3 | 136.9±18.0 | 72.1±9.7 | 68.0±10.7 | 24.0±3.2 | 23.7±2.9 |
| 75–79 | 141 | 50 | 14.6±2.2 | 15.5±2.3 | 136.6±15.4 | 143.5±17.9 | 69.1±10.2 | 71.2±8.3 | 24.2±3.3 | 24.7±3.8 |
| Total | 2030 | 1342 | 15.2±2.3 | 15.4±2.3* | 131.5±16.0 | 125.3±17.3** | 74.8±10.2 | 69.5±10.3** | 24.8±3.0 | 24.0±3.2** |
IOP: intraocular pressure; SBP: systolic blood pressure; DBP: diastolic blood pressure; BMI: blood mass index.
P values for difference between males and females using group t-test:
* p<0.05;
** p<0.001