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Table 6 Anthropometric and blood pressure before and after a 16-week intervention with B vitamin-fortified drinks (per-protocol analysis)

From: Effectiveness of a fortified drink in improving B vitamin biomarkers in older adults: a controlled intervention trial

 

Placebo

Active

P value

Pre-intervention

Post-intervention

Pre-intervention

Post-intervention

Weight (kg)

72.5 (61.7–80.2)

74.5 (63.0–83.0)

72.8 (63.3–84.2)

74.4 (64.5–83.8)

0.593

BMI (kg/m2)

24.8 (23.0–28.3)

24.9 (23.6–29.1)

25.4 (23.4–29.5)

25.2 (23.6–29.3)

0.618

Waist circumference (cm)

90.8 (81.5–100.3)

93.0 (82.0–100.0)

89.8 (81.5–105.1)

89.0 (84.5–107.0)

0.967

Systolic BP (mmHg)

129.2 (20.0)

130.9 (16.3)

127.2 (21.1)

127.7 (19.2)

0.516

Diastolic BP (mmHg)

76.0 (9.2)

76.2 (8.6)

75.2 (11.5)

74.6 (10.1)

0.503

  1. Data presented as mean (SD) and median (IQR). Per-protocol analysis includes participants who completed the 16-week intervention. P value of group effects when analysed by ANCOVA adjusted for baseline status. P < 0.05 considered statistically significant. BP, blood pressure