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| Coffee intake | No. (%) | < 75% of recommended Ca intake | ≥ 75% of recommended Ca intake | χ2-value |
|---|---|---|---|---|
| No coffee | 90 (27.27) | 39 (11.82) | 51 (15.45) | 1.7154NS |
| < 1 serving coffee a day | 179 (54.24) | 87 (26.36) | 92 (27.88) | |
| ≥ 1 serving coffee a day | 61 (18.48) | 33 (10.00) | 28 (8.48) | |
| Total | 330 (100.0) | 159 (48.18) | 171 (51.82) |
NS, not significantly different by χ2-test.
