Table 3.

Prevalence rates of physician diagnosed health problems 16 months pre-disaster and 18 months post-disaster

Physician diagnosed health problems	MHS				Non-MHS
	16 months pre-disaster (P0)		18 months post-disaster (P1)		16 months pre-disaster (P0)		18 months post-disaster (P1)
	N	%	N	%	N	%	N	%
Psychological problems	95	31.42	272	84.012	215	21.32	546	50.312
Chronic diseases	160	52.8	177	54.6	464	45.9	540	49.81
Musculoskeletal problems	145	47.9	185	57.112	416	41.1	483	44.512
Gastrointestinal problems	82	27.1	105	32.42	226	22.4	251	23.12
Respiratory problems	87	28.7	101	31.22	280	27.7	244	22.512

1. Statistically significant differences compared to the previous period within groups (X²; p < .01)

2. Statistically significant differences between groups within periods (X²; p < .01)