Table 4.

Bootstrap validation of the prediction model of prevalent hypertension.

Variable	Category	β	SE	Bias	p-value	BCa 95% CI
Age (years)	-	0.044	0.005	<0.001	<0.001	0.03–0.06
BMI (kg/m2)	-	0.097	0.009	0.009	<0.001	0.08–0.12
Gender	Female	0.239	0.121	0.006	0.050	0.01–0.51
	Male	1
Nationality	Qatari	0.089	0.109	0.005	0.414	−0.14–0.33
	Non-Qatari	1
Physical activity	Inactive	0.101	0.110	0.002	0.358	−0.13–0.31
	Active	1
Sleep duration	Inadequate	0.283	0.108	0.001	0.010	0.07–0.49
	Adequate	1
Smoking	Yes	0.266	0.129	−0.004	0.033	0.01–0.51
	No	1
Diabetes	Yes	1.050	0.120	−0.002	<0.001	0.82–1.27
	No	1
Hyperlipidemia	Yes	0.798	0.109	0.012	<0.001	0.56–1.05
	No	1
CVD status	Yes	0.516	0.411	−0.028	0.196	−0.30–1.22
	No	1
Constant	-	−7.714	0.416	−0.057	<0.001	−8.47–7.09

BMI, body mass index; CVD, cardiovascular diseases (composite of heart attack, angina, and stroke); SD, standard deviation; β, beta coefficient; BCa, bias-corrected and accelerated; p ≤ 0.05 was considered statistically significant using bootstrapping multivariable logistic regression.