Table 1.

Female health questionnaire results for risk factors for iron deficiency anemia (n = 292).

	Total sample (n = 292)	Anemic (n = 36)	Non-anemic (n = 256)
Characteristic, mean ± SD
Age (yrs)	31.21 ± 7.72	30.39 ± 6.27	31.44 ± 7.93
Average haemoglobin concentration (g/L)	131.76 ± 11.47	112∗ ± 6.76	134.42 ± 9.32
Risk factor prevalence, % (n)
History of iron deficiency	127 (43.49%)	18 (50%)	91 (45.05%)
Previous blood donor	51 (17.47%)	9 (25%)	34 (16.83%)
Vegetarian	53 (18.15%)	10 (27.78%)	37 (18.32%)
Vegan	22 (7.53%)	3 (8.33%)	12 (5.94%)
HMB positive	127 (43.49%)	21∗ (58.33%)	92 (45.54%)
Childbirth	33 (11.30%)	3 (8.66%)	25 (12.38%)

^∗=significantly different from non-anemic with no reported symptoms (P < .05).