Table 4. ANOVA results of Basic Personality Inventory and SF-36 assessments, stratified by group and BDNF genotype.

	PDM		Control		Main effect		Interaction
	Met/Met	Val carrier	Met/Met	Val carrier	Group (P)	Genotype (P)	Group*Genotype (P)
Subject number	29	49	17	64
Basic Personality Inventory
Depression	3.2 (2.72)	3.7 (3.44)	2.4 (2.47)	1.7 (1.87)	0.003	0.887	0.240
Anxiety	6.1 (3.25)	4.9 (3.42)	3.4 (3.10)	3.9 (2.70)	0.001	0.480	0.135
Social introversion	3.5 (2.49)	3.4 (2.86)	4.1 (2.28)	3.7 (2.57)	0.357	0.688	0.776
Self depreciation	2.1 (2.14)	2.5 (2.70)	2.1 (1.64)	2.6 (2.40)	0.929	0.283	0.835
Interpersonal problems	4.8 (2.43)	4.2 (2.22)	4.5 (3.06)	3.5 (2.71)	0.269	0.082	0.709
Impulse expression	4.6 (3.29)	4.4 (3.03)	4.2 (3.55)	4.5 (2.97)	0.878	0.945	0.681
Deviation	2.4 (1.93)	2.5 (2.34)	2.3 (1.49)	2.1 (1.95)	0.393	0.830	0.653
Hypochondriasis	4.6 (3.25)	4.7 (2.84)	2.4 (1.41)	2.2 (1.92)	<0.001	0.986	0.757
Persecutory ideas	2.7 (2.11)	2.8 (2.03)	2.8 (1.74)	2.0 (2.15)	0.393	0.342	0.205
Thinking disorder	1.8 (1.94)	1.9 (1.63)	1.6 (1.62)	1.5 (1.80)	0.363	0.926	0.837
SF-36
Physical component	46.3 (10.10)	45.2 (10.12)	52.6 (5.64)	54.7 (4.08)	<0.001	0.727	0.243
Mental component	46.2 (7.51)	46.5 (7.19)	53.1 (4.95)	53.7 (4.69)	<0.001	0.668	0.915

Abbreviations: ANOVA, analysis of variance; BDNF, brain-derived neurotrophic factor; SF-36, 36-Item Short-Form Health Survey; PDM, primary dysmenorrhea; Val, valine; Met, methionine. The data are presented as the means (SD).