County-level heat vulnerability of urban and rural residents in Tibet, China

Table 3 Principal components analysis of heat vulnerability variables for urban and rural residents in 73 counties of Tibet

	Factor loading
	Urban				Rural
	Factor 1: Poverty	Factor 2: Elderly/Fragile health/Illiterate	Factor 3: Social isolation	Factor 4: Small dwelling	Factor 1: Illiterate /Small dwelling	Factor 2: Poverty	Factor 3: Social isolation	Factor 4: Elderly/Fragile health
Age ≥60	0.05	0.87	0.10	−0.09	−0.23	0.12	0.00	0.80
Loss of labor ability	−0.16	0.78	0.10	−0.25	−0.18	−0.05	0.20	0.74
Illiterate	0.47	0.55	−0.25	0.18	0.79	0.12	−0.33	−0.09
Living alone	−0.12	−0.13	0.90	0.01	−0.04	−0.17	0.91	0.03
Age ≥60 living alone	−0.08	0.39	0.80	0.12	0.40	0.15	0.70	0.34
Low income	0.95	0.00	−0.08	0.10	−0.04	0.94	−0.11	0.08
Low income among seniors	0.76	−0.08	0.05	−0.28	−0.31	0.78	0.13	−0.34
Low income households	0.93	0.06	−0.21	−0.07	0.22	0.68	−0.14	0.34
Households with only one room	−0.13	−0.28	0.20	0.78	0.76	−0.22	0.34	−0.30
Households ≤ 8 m² living spaces	−0.03	0.00	−0.05	0.88	0.76	−0.05	0.28	−0.22

ISSN: 1476-069X