Table 3.

Participants’ characteristics and fluid intake across reported water glasses consumption

Predictors	Rate Ratio	95% Confidence Limits	p-value*
Intercept	6.782	4.562–10.081	< 0.0001
Age (with 10 years increment)	0.909	0.844–0.980	0.012
Gender (males vs females)	1.029	0.915–1.158	0.629
Education (diploma vs. secondary)	0.786	0.593–1.042	0.095
Education (university vs. secondary)	0.870	0.661–1.145	0.322
History of diabetes mellitus (yes vs. no)	0.910	0.722–1.147	0.426
History of high blood pressure (yes vs. no)	1.150	0.981–1.347	0.083
History of heart disease (yes vs. no)	0.957	0.591–1.550	0.859
History of kidney stones (yes vs. no)	0.973	0.737–1.284	0.849
BMI (underweight vs. normal)	1.724	1.346–2.207	< 0.0001
BMI (overweight vs. normal)	1.174	1.032–1.336	0.014
BMI (obese vs. normal)	1.129	0.980–1.301	0.092
Prior hospitalization due to dehydration (yes vs. no)	0.772	0.671–0.887	0.0003
Coffee intake	1.015	0.984–1.046	0.336
Juice intake	1.056	1.007–1.108	0.023
Tea intake	1.038	1.002–1.076	0.035
Soda intake	0.980	0.932–1.031	0.445

*p-value is based on the negative binomial model