Table 6.

Frequency of dietary trigger and missing meals in the Malay, Chinese and Indian patients with TTH

Trigger factors	Malays (n=145)	Chinese (n=107)	Indians (n=92)	Others (n=24)	Malays vs Chinese	Malays vs Indians	Chinese vs Indians
					p-value	p-value	p-value
Dietary	58 (40.0%)	27 (25.2%)	22 (23.9%)	7 (29.2%)	0.016	0.011	0.87
Missing meals	31 (21.4%)	14 (13.1%)	12 (13.0%)	4 (16.7%)	0.098	0.12	1.00

Note: p-values shown in bold are statistically significant.

Abbreviation: TTH, tension-type headache.