Table 3.

Caffeine Intake and All-Cause Mortality by Age and BMI Groups.

Stratification Variable	Caffeine Intake (mg/Day)
	<100	100–200			>200
	Referent	HR	95% CI	HR	95% CI
Age
20–35		2.03	1.03–3.99 *	1.45	0.74–2.85
35–50		0.55	0.37–0.84 *	0.89	0.63–1.24
50+		0.80	0.71–0.89 *	0.67	0.61–0.74 *
BMI
<18.5		0.76	0.33–1.76	1.35	0.67–2.71
18.5–24.9		0.75	0.62–0.90 *	0.66	0.55–0.80 *
25–29.9		0.87	0.72–1.05	0.66	0.56–0.78 *
≥30		0.77	0.64–0.94 *	0.75	0.63–0.91 *

Abbreviations: BMI: body mass index; HR: hazard ratio; CI: confidence interval. * p < 0.05.