Multilevel Analysis of 24-Hour Blood Pressure, Heart Rate, and Associated Factors among Police Officers in Hanoi, Vietnam

Table 3

Determinants of systolic blood pressure among policemen.

Systolic	Model 1		Model 2		Model 3		Model 4
Fixed part intercept	β	95% CrI	β	95% CrI	β	95% CrI	β	95% CrI
Constant	111.3	[110.3,112.2]	127.7	[118.5,136.9]	120.0	[111.2,128.8]	97.4	[82.8,112.1]
Temperature			-0.4	[-0.7,-0.1]	-0.5	[-0.8,-0.1]	-0.4	[-0.8,-0.1]
Humidity			-0.3	[-0.5,-0.2]	-0.2	[-0.3,-0.1]	-0.2	[-0.3,-0.1]
TemperatureHumidity			0.0	[0.0,0.0]	0.0	[0.0,0.0]	0.0	[0.0,0.0]
Variation of temperature			0.1	[0.0,0.3]	0.2	[0.1,0.3]	0.2	[0.1,0.3]
Variation of humidity			-0.0	[-0.1,-0.0]	-0.1	[-0.1,-0.0]	-0. 1	[-0.1,-0.0]
Time sections: 6 h-12h					6.8	[6.2,7.3]	6.8	[6.2,7.3]
Time sections: 13 h-18h					8.8	[8.2,9.4]	8.8	[8.2,9.4]
Time sections: 19 h-24h					8.9	[8.3,9.4]	8.9	[8.3,9.4]
Season: winter					-1.6	[-2.1,-0.9]	-1.5	[-2.1,-0.9]
Age							0.1	[-0.1,0.3]
Gender: Female							-4.6	[-8.1,-1.1]
Occupation: fireman							-2.4	[-6.1,1.2]
Occupation: traffic policemen							-0.9	[-3.9,2.1]
BMI							0.8	[0.3,1.2]
Hypertension history							-0.1	[-6.9,6.7]
Risk							0.6	[0.3,1.0]
Random part level 2: individual
Variation (cons)	54.5	[44.4,64.7]	55.0	[44.8,65.3]	54.7	[44.6,64.9]	42.6	[34.6,50.6]
Random part level 1: 24 Hours
Variation (cons)	135.8	[132.3,139.3]	134.2	[130.7,137.6]	121.1	[118.0,124.3]	121.1	[118.0,124.3]
N	11712		11712		11712		11712
ICC	0.28		0.29		0.31		0.26