Table 7. Results of regression analyses at five-degree latitudinal increments. Each cell shows the number of subsamples (out of ten) in which a significant correlation was observed. MAT  =  mean annual temperature (°C).

	Number of subsamples in which a significant correlation was observed, by latitudinal range
Analysis	0–45°N	0–50°N	0–55°N	0–60°N	0–65°N	0–70°N
Body mass regressed on latitude	2	9	10	10	10	10
Body mass regressed on MAT	0	7	9	10	10	10
BMI regressed on latitude	0	6	8	9	10	10
BMI regressed on MAT	0	4	8	9	10	10
SA/BM regressed on latitude	0	8	10	10	10	10
SA/BM regressed on MAT	0	5	10	10	10	10
PI regressed on latitude	0	2	2	2	2	8
PI regressed on MAT	0	3	3	3	4	10