Table 3.

Linear regression analysis on log HbA1c.

(A) A model including altitude
	B	SE	Standardized	t	p
			β
Age, per 10 years	0.0001	0.002	0.002	0.07	0.94
Sex, M vs. F	0.002	0.002	0.03	0.81	0.42
BMI	0.001	0.0004	0.11	3.38	0.001
HDL-C	−0.0001	0.0001	−0.07	−1.80	0.07
log TG	0.014	0.007	0.07	1.98	0.05
Altitude, quartile	0.004	0.001	0.13	4.23	<0.001
(B) A model including distance to primary medical facilities
	B	SE	Standardized	t	p
			β
Age, per 10 years	0.0001	0.002	0.003	0.10	0.92
Sex, M vs. F	0.002	0.002	0.03	0.79	0.43
BMI	0.001	0.0004	0.12	3.49	0.001
HDL-C	−0.0002	0.0001	−0.07	−1.99	0.05
log TG	0.012	0.007	0.06	1.68	0.09
Distance to the nearest primary medical facility	0.0003	0.001	0.02	0.49	0.63
(C) A model including distance to secondary medical facilities
	B	SE	Standardized	t	p
			β
Age, per 10 years	−0.0002	0.002	−0.004	−0.14	0.89
Sex, M vs. F	0.002	0.002	0.02	0.79	0.43
BMI	0.001	0.0004	0.11	3.17	0.002
HDL-C	−0.0002	0.0001	−0.07	−1.94	0.05
log TG	0.014	0.007	0.07	1.99	0.05
Distance to the nearest secondary medical facility	0.001	0.0002	0.17	5.70	<0.001
(D) A model including distance to grocery stores
	B	SE	Standardized	t	p
			β
Age, per 10 years	−0.0004	0.002	−0.01	−0.22	0.83
Sex, M vs. F	0.003	0.003	0.04	0.97	0.33
BMI	0.001	0.0005	0.08	1.97	0.05
HDL-C	−0.0002	0.0001	−0.11	−2.45	0.01
log TG	0.009	0.008	0.05	1.06	0.29
Distance to the nearest grocery store	−0.0002	0.0004	−0.02	−0.61	0.54

Abbreviations: BMI—body mass index, HDL-C—high-density lipoprotein cholesterol, TG—triglyceride.