Table 2.

Subgroup analysis for association of egg consumption with all-cause mortality.

			Hazard Ratio ᵃ [95%CI]			p for Trend	p for Interaction
Subgroup	Participants	Death	1–2 Times/Week	3–6 Times/Week	≥7 Times/Week
Gender							0.152
Male	14,970	1007	1.04 [0.87–1.25]	0.85 [0.71–1.03]	0.77 [0.62–0.97] *	0.005
Female	15,865	644	0.82 [0.64–1.04]	0.81 [0.64–1.03]	0.93 [0.70–1.23]	0.404
Age, years							0.403
16–49	18,382	233	1.00 [0.69–1.45]	0.89 [0.60–1.32]	0.67 [0.40–1.12]	0.127
≥50	12,453	1418	0.95 [0.82–1.12]	0.84 [0.71–0.98] *	0.85 [0.71–1.03]	0.026
BMI, kg/m2							0.917
<24	21,744	1207	0.94 [0.80–1.10]	0.83 [0.71–0.98] *	0.80 [0.66–0.97] *	0.007
≥24	9091	444	1.00 [0.71–1.41]	0.87 [0.62–1.24]	0.91 [0.63–1.34]	0.462
Residential region							0.198
Urban	13,479	614	0.81 [0.63–1.05]	0.86 [0.68–1.10]	0.78 [0.60–1.02]	0.127
Rural	17,356	1037	1.04 [0.87–1.24]	0.82 [0.68–0.99] *	0.86 [0.68–1.08]	0.033
Smoking status							0.341
No	19,523	824	0.83 [0.67–1.02]	0.75 [0.61–0.92] **	0.81 [0.63–1.03]	0.025
Yes	11,312	827	1.09 [0.89–1.34]	0.94 [0.76–1.16]	0.84 [0.66–1.08]	0.082
Alcohol consumption							0.112
No	24,449	1193	0.86 [0.72–1.01]	0.81 [0.68–0.96] *	0.82 [0.67–1.01]	0.026
Yes	6386	458	1.28 [0.96–1.70]	0.90 [0.66–1.22]	0.89 [0.64–1.24]	0.129
Physical activity							0.723
No	22,587	1231	0.95 [0.80–1.12]	0.84 [0.71–1.00] *	0.87 [0.71–1.07]	0.057
Yes	8248	420	0.95 [0.70–1.31]	0.82 [0.60–1.13]	0.70 [0.50–0.99] *	0.021

ᵃ We adjusted gender, age, BMI, ethnicity, residential region, annual household income, physical activity, smoking status, alcohol drinking, chronic disease, meat intake, vegetable intake, fish, dairy products. HR: hazard ratio; 95% CI: 95% confidence interval. Notes: * p < 0.05; ** p < 0.01.