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Characteristics of the entire KPNW patient population by intervention period (from which the population receiving vitamin D screening was identified)
| Demographic characteristics | Pre-implementation, n = 371 164 | Post-implementation, n = 368 918 | P value |
|---|---|---|---|
| Age (years; mean ± SD) | 48.6 ± 17.8 | 48.7 ± 17.9 | <.01 |
| Female sex (%) | 52.9 | 52.9 | .38 |
| Non-white (%) | 10.6 | 10.3 | <.001 |
