TABLE 6.

Linear regression results from alcohol and smoking exposure predicting Mean HR in 2F.

Exposure category	Both sites			South Africa			Northern Plains
	N	Effect size Mean difference (SE)	p val	N	Effect size Mean difference (SE)	p val	N	Effect size Mean difference (SE)	p value
No alcohol	2774	/	/	1767	/	/	1007	/	/
Alcohol low quit early	1362	−0.043 (0.254)	0.867	682	0.367 (0.342)	0.283	680	−0.5566 (0.3832)	0.147
Alcohol high quit early	291	0.128 (0.467)	0.783	150	1.1246 (0.643)	0.0804	141	−0.9834 (0.6819)	0.149
Alcohol low continuous	530	−0.135 (0.367)	0.714	496	0.1759 (0.387)	0.6498	34	−0.8102 (1.32)	0.539
Alcohol moderate continuous	553	0.067 (0.370)	0.857	457	0.4089 (0.4085)	0.3169	76	−0.6608 (0.9086)	0.467
Alcohol high continuous	275	0.580 (0.492)	0.239	257	1.089 (0.518)	0.0356	18	−2.147 (1.803)	0.234
No smoking	3300	/	/	1634	/	/	1666	/	/
Smoking quit early	188	0.395 (0.569)	0.488	100	−0.433 (0.779)	0.578	88	1.271 (0.849)	0.135
Smoking low continuous	1394	−0.844 (0.271)	0.0018	1257	−1.0343 (0.295)	0.0005	137	−0.38 (0.7184)	0.597
Smoking moderate/high continuous	883	−1.252 (0.318)	0.0001	818	−1.510 (0.341)	0.00001	65	−0.0829 (0.9792)	0.933

SE: standard error; P val: p-values; N = number of participants in the group. Bold and italicized values represent p-value ≤ 0.05.