Effectiveness of a Theory-Driven Nutritional Education Program in Improving Calcium Intake among Older Mauritian Adults
Table 2
Changes in calcium frequency scores, health belief model constructs, and knowledge scores over time among intervention and control older Mauritian adults.
Variables
*Int.
**Con.
Time effect (value) (i) Baseline to posttest (ii) Baseline to follow-up
Mean (SD)
Int.
Con.
Calcium frequency scores
Baseline
29.4 (5.16)
30.6 (7.22)
<0.001
0.001
Posttest
33.2 (3.88)
29.8 (6.52)
<0.001
0.120
Follow-up
34.2 (3.54)
30.2 (6.69)
Health belief model constructs
Perceived susceptibility
Baseline
5.37 (1.57)
4.72 (1.42)
<0.001
<0.001
Posttest
5.83 (1.54)
4.95 (1.14)
<0.001
<0.001
Follow-up
5.96 (1.40)
4.97 (1.14)
Perceived seriousness
Baseline
13.1 (2.12)
13.4 (2.85)
<0.001
1.00
Posttest
13.9 (1.95)
13.4 (3.06)
<0.001
0.746
Follow-up
14.1 (2.02)
13.5 (2.66)
Perceived benefits
Baseline
30.8 (5.15)
32.9 (4.01)
<0.001
0.512
Posttest
33.4 (3.13)
33.0 (3.61)
<0.001
0.010
Follow-up
34.4 (3.46)
33.2 (3.42)
Perceived barriers
Baseline
21.5 (2.84)
19.9 (3.52)
<0.001
0.015
Posttest
22.1 (2.96)
19.6 (3.64)
<0.001
0.664
Follow-up
20.8 (3.26)
19.8 (3.68)
Self-efficacy
Baseline
17.9 (2.28)
18.5 (2.18)
<0.001
0.029
Posttest
19.8 (1.94)
18.4 (2.20)
<0.001
0.250
Follow-up
20.0 (1.68)
18.4 (2.40)
Knowledge
Baseline
4.67 (1.75)
4.98 (1.62)
<0.001
0.005
Posttest
6.82 (0.82)
4.89 (1.64)
<0.001
0.022
Follow-up
7.58 (0.66)
5.11 (1.66)
Int.: intervention group; **Con.: control group. Statistical test: Wilcoxon signed rank test.