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Determinants of %CO2 in a fasted state in women (n=520,269).
| Variables | β (95% CI) | z statistics | Cohen d | P value |
| Intercept | 3.671 (3.642 to 3.700) | 253.68 | 8.0015 | <.001 |
| Previous day’s carbohydrates (portions) | 0.032 (0.031 to 0.032) | 133.00 | 0.0691 | <.001 |
| Fasting duration (h) | −0.017 (−0.0018 to −0.017) | −55.28 | −0.0374 | <.001 |
| BMI (kg/m2) | 0.018 (0.017 to 0.019) | 53.11 | 0.0390 | <.001 |
| Age (y) | 0.008 (0.008 to 0.009) | 40.54 | 0.0180 | <.001 |
