Table 1.
Descriptive Statistics about Baseline Measures
| Variables | N | Mean or % (Std. Dev) | Min, Max |
|---|---|---|---|
| Education (years) | 403,875 | 14.78 (5.13) | 7, 20 |
| 7 | 72,000 | 18% | |
| 10 | 70,596 | 17% | |
| 13 | 21,589 | 5% | |
| 15 | 49,853 | 12% | |
| 19 | 64,753 | 16% | |
| 20 | 125,084 | 31% | |
| Age (years) | 403,875 | 56.89 (8.00) | 39, 73 |
| Female | 403,875 | 54% | |
| BMI | 403,875 | 27.41 (4.76) | 12.12, 74.68 |
| Headache Pain | 403,875 | 20% | |
| Facial Pain | 403,875 | 2% | |
| Neck Pain | 403,875 | 23% | |
| Back Pain | 403,875 | 25% | |
| Stomach Pain | 403,875 | 8% | |
| Hip Pain | 403,875 | 11% | |
| Knee Pain | 403,875 | 21% | |
| All Over Pain | 403,875 | 2% | |
| No Pain | 403,875 | 49% | |
| Family ID | 32,946 |