Bone Demineralization in Postmenopausal Women: Role of Anamnestic Risk Factors

Table 3

Odd’s ratio of each risk factor.

Risk factors	𝑛	T score < –1	T score > −1 < −2.5	Odd’s ratio	95% confidence interval	Chi square (𝑃 value)
Familiarity +	48	26	16	1.0	0.45–2.4	NS
Familiarity −	62	36	21
BMI < 19 kg/m^2	41	11	24	8.6	3.55–21.87	<0.0005
BMI ≥ 19 kg/m^2	69	51	13
Menarche > 15 years	50	20	24	3.9	1.64–9.16	<0.0005
Menarche < 15 years	60	42	13
Amenorrhoea +	52	15	26	7.4	2.97–18.47	<0.0005
Amenorrhoea −	58	47	11
Nulliparity +	48	12	25	8.7	3.41–22.07	<0.0005
Nulliparity −	62	50	12
Smoking +	40	17	16	2.0	0.86–4.75	NS
Smoking −	70	45	21

NS: not statistically significant.