Research Article

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
 Baseline29.4 (5.16)30.6 (7.22)<0.0010.001
 Posttest33.2 (3.88)29.8 (6.52)<0.0010.120
 Follow-up34.2 (3.54)30.2 (6.69)

Health belief model constructs
Perceived susceptibility
 Baseline5.37 (1.57)4.72 (1.42)<0.001<0.001
 Posttest5.83 (1.54)4.95 (1.14)<0.001<0.001
 Follow-up5.96 (1.40)4.97 (1.14)
Perceived seriousness
 Baseline13.1 (2.12)13.4 (2.85)<0.0011.00
 Posttest13.9 (1.95)13.4 (3.06)<0.0010.746
 Follow-up14.1 (2.02)13.5 (2.66)
Perceived benefits
 Baseline30.8 (5.15)32.9 (4.01)<0.0010.512
 Posttest33.4 (3.13)33.0 (3.61)<0.0010.010
 Follow-up34.4 (3.46)33.2 (3.42)
Perceived barriers
 Baseline21.5 (2.84)19.9 (3.52)<0.0010.015
 Posttest22.1 (2.96)19.6 (3.64)<0.0010.664
 Follow-up20.8 (3.26)19.8 (3.68)
Self-efficacy
 Baseline17.9 (2.28)18.5 (2.18)<0.0010.029
 Posttest19.8 (1.94)18.4 (2.20)<0.0010.250
 Follow-up20.0 (1.68)18.4 (2.40)

Knowledge
 Baseline4.67 (1.75)4.98 (1.62)<0.0010.005
 Posttest6.82 (0.82)4.89 (1.64)<0.0010.022
 Follow-up7.58 (0.66)5.11 (1.66)

Int.: intervention group; **Con.: control group.
Statistical test: Wilcoxon signed rank test.