. 2007 Jul;18(5):282–289.

Table 4. Mean (95% CI) Cardiovascular Disease Risk Factors Of Women In Different Income Categories.

Risk factor (means and 95% confidence interval)	Total household income category (R/month)
Risk factor (means and 95% confidence interval)	R0-100	R101-500	R501-1000	R1001-2000	R2001-3000	R3000+
Number (n)	161	299	237	133	33	43
Age (years)	36.6^ab	40.7^acde	38.7^fg	30.7^bcf	32.8^dg	34.6^e
Age (years)	34.5−38.8	39.1−42.3	36.9−40.4	28.4−33.1	28.1−37.5	30.5−38.7
Serum lipids (mmol/l)
Total cholesterol	4.2	4.2	4.3	4.2	4.3	4.5
Total cholesterol	4.1−4.4	4.1−4.3	4.1−4.4	4.0−4.3	4.0−4.7	4.1−4.8
HDL cholesterol	1.2^a	1.1	1.1	1.1^ab	1.2	1.2^b
HDL cholesterol	1.1−1.2	1.1−1.2	1.1−1.2	1.1−1.2	1.1−1.3	1.1−1.3
LDL cholesterol	2.6	2.6	2.7	2.6	2.8	2.7
LDL cholesterol	2.5−2.8	2.5−2.8	2.6−2.9	2.4−2.8	2.4−3.1	2.4−3.0
Triglycerides	1.1	1.2	1.2	1.1	1.1	1.0
Triglycerides	1.0−1.3	1.1−1.3	1.1−1.3	1.0−1.2	1.0−1.3	1.0−1.2
Serum glucose (mmol/l)	4.8	4.9^a	4.8	4.6	4.7	4.3^a
Serum glucose (mmol/l)	4.5−5.1	4.7−5.1	4.6−5.0	4.3−4.9	4.1−5.3	3.8−4.9
Plasma fibrinogen (g/l)	3.6	3.6	3.6	3.6	3.7	3.7
Plasma fibrinogen (g/l)	3.4−3.8	3.4−3.7	3.5−3.8	3.4−3.8	3.3−4.1	3.3−4.0
Systolic blood pressure (mmHg)	129^ab	129^cde	128^fg	122^acf	122^d	119^beg
Systolic blood pressure (mmHg)	125−132	127−132	126−131	119−126	114−129	113−126
Diastolic blood pressure (mmHg)	78^a	79^b	79^cd	76^c	79^e	73^abde
Diastolic blood pressure (mmHg)	76−80	77−80	78−81	74−79	75−84	69−77
Body mass index (kg/m²)	25.8^ab	26.1^cd	27.4^ac	28.1^bd	28.3	27.8
Body mass index (kg/m²)	24.8−26.9	25.3−26.9	26.5−28.2	26.9−29.2	25.9−30.6	25.8−29.8

^a,b,c,… Means with the same symbol differ significantly (p ≤ 0.05).