Research Article

Weight and Health Behaviour Changes among Ageing People with Medication for Hypertension and High Cholesterol Level

Table 2

Mean body mass index (BMI), mean waist circumference (WC), and physical activity (PA) scores for two age cohorts in different medication groups at baseline and follow-upa.

CohortMedication 2002
Hyp (SD)Chol (SD)Hyp + Chol (SD)No med (SD)F-values, degrees of freedomPairwise Comparisonsb

1946–1950BMI 200229.1 (5.4)26.7 (3.0)29.6 (4.0)26.7 (4.2)NM < H,
NM < HC,
C < H, C < HC
BMI 200830.2 (5.7)28.2 (3.4)31.6 (5.8)27.4 (4.2)5.36**, df = 3,602
mean dif. 1.1 (0.3) 1.5 (0.4) 2.0 (1.7) 0.7 (0.0)
WC 200296.7 (13.0)93.2 (13.2)104.1 (13.2)92.1 (12.2)NM < H,
NM < HC,
C < H, C < HC
WC 200899.5 (13.8)97.6 (14.5)109.9 (15.6)94.1 (13.0)5.15**, df = 3,602
mean dif. 2.8 (0.8) 3.4 (1.3) 5.8 (2,4) 2.0 (0.8)
PA 20022.0 (.6)2.2 (.5)2.1 (.6)2.0 (.6)
PA 20082.0 (.7)2.2 (.5)2.4 (.7)2.2 (.6)1.40 ns, df= 3,603
mean dif.0.0 (.1)0.0 (.0)0.3 (.1)0.2 (.0)

1936–1940BMI 200229.8 (5.1)27.4 (3.9)30.0 (4.0)27.0 (4.1)
BMI 200830.4 (5.7)27.5 (4.1)29.8 (4.6)27.0 (4.2)2.26 ns, df = 3.709
mean dif. 0.6 (0.6) 0.1 (0.2) −0.2 (0.6) 0.0 (0.1)
WC 2002100.2 (13.0)94.9 (10.6)101.5 (10.5)92.6 (12.6)H > NM, H > C
WC 2008102.6 (14.0)95.9 (10.9)102.4 (10.8)93.2 (12.8)2.00 ns, df = 3,704
mean dif. 2.4 (1.0) 1.0 (0.3) 0.9 (0.3) 0.6 (0.2)
PA 20021.9 (.5)2.1 (.6)2.0 (.6)2.1 (.6)
PA 20082.1 (.6)2.2 (.6)2.2 (.7)2.2 (.6)1.70 ns, df= 3,658
mean dif.0.2 (.1)0.1 (.0)0.2 (.1)0.1 (.0)

aRepeated-measures ANOVA examining between group differences and time-by-group interactions.
Adjusting for gender, marital status, education, and hypertension/cholesterol medication in 2008.
** 𝑃 < 0 . 0 1 .
bStatistically significant between group differences; < indicates lower increase in BMI or waist circumference. NM: no medication, H: medication for hypertension, C: medication for high cholesterol, and HC: medication for hypertension and high cholesterol.