Table 1.

Famine in warm-climate hunter–gatherers versus cold-climate hunter–gatherers (n1, sample of warm-climate hunter–gatherers ET ≥ 13; n2, cold-climate hunter–gatherers ET < 13).

variable	n1	n2	U	p
ordinary nutritional conditions and endemic starvation	11	14	64.5	0.501
occurrence of short-term starvation	18	15	125.0	0.735
occurrence of seasonal starvation	18	15	107.5	0.325
occurrence of famine	19	14	47.5	0.001** warm lower
severity of famine	16	9	41.5	0.084 warm lower
persistence of famine	17	7	19.5	0.009** warm lower
recurrence of famine	18	9	50.0	0.118
contingency of famine	13	6	9.5	0.007** warm lower

*Significant at 0.05, **significant at 0.01.