Table 3

Weight change at 3, 6 and 12 months

3 months6 months12 months
SMS+I
n=36
SMS only
n=33
SMS+I
n=36
SMS only
n=33
SMS+I
n=36
SMS only
n=33
Control
n=36
Weight change (kg), mean (SD)
 Observed cases only-2.79 (3.50)*−1.97 (3.97)†−4.59 (5.62)‡−3.30 (4.92)§−3.93 (5.74)‡−1.64 (5.64)†−1.06 (6.29)¶
 BOCF−2.40 (3.38)−1.55 (3.60)−2.93 (4.98)−2.10 (4.21)−2.51 (4.94)−1.29 (5.03)−0.86 (5.64)
 LOCF−2.40 (3.38)−1.86 (3.88)−3.38 (4.92)−2.21 (4.39)−2.98 (4.91)−1.33 (5.04)−0.86 (5.64)
Weight change (%), mean (SD)
 Observed cases only−2.54 (3.47)*−1.95 (3.72)†−4.20 (5.54)‡−3.02 (4.22)§−3.51 (5.83)‡−1.51 (4.65)†−1.00 (5.31)¶
 BOCF−2.18 (3.33)−1.53 (3.39)−2.69 (4.84)−1.92 (3.65)−2.24 (4.93)−1.19 (4.16)−0.80 (4.77)
 LOCF−2.18 (3.33)−1.53 (3.39)−3.11 (4.80)−2.06 (3.85)−2.68 (4.92)−1.22 (4.16)−0.80 (4.77)
Weight change categories (observed cases only), n (%)
 Weight gain6 (19.4)*8 (30.8)†2 (8.7)‡6 (28.6)§5 (21.7)‡10 (38.5)†14 (48.3)¶
 0–<3% weight loss13 (41.9)*10 (38.5)†10 (43.5)‡7 (33.3)§5 (21.7)‡9 (34.6)†7 (24.1)¶
 ≥3–<5% weight loss4 (12.9)*4 (15.4)†3 (13.0)‡2 (9.5)§3 (13.0)‡4 (15.4)†0 (0.0)¶
 ≥5-<10% weight loss8 (25.8)*2 (7.7)†3 (13.0)‡4 (19.1)§7 (30.4)‡2 (7.7)†6 (20.7)¶
 ≥10% weight loss0 (0.0)*2 (7.7)†5 (21.7)‡2 (9.5)§3 (13.0)‡1 (3.9)†2 (6.9)
BMI change, mean (SD)
 Observed cases only−0.89 (1.1) *−0.73 (1.32)†−1.45 (1.79)‡−1.04 (1.49)§−1.24 (1.89)‡−0.49 (1.68)†−0.47 (2.13)¶
 BOCF−0.75 (1.07)−0.59 (1.22)−0.92 (1.58)−0.66 (1.28)−0.78 (1.60)−0.37 (1.50)−0.37 (1.96)
 LOCF−0.75 (1.07)−0.59 (1.22)−0.93 (1.56)−0.69 (1.34)−0.93 (1.59)−0.38 (1.50)−0.37 (1.96)
Waist circumference change (cm), mean (SD)
 Observed cases only−3.74 (4.62)*−3.14 (4.3)†−4.70 (6.29)‡−3.14 (4.34)§−4.40 (6.08)‡−2.30 (4.37)†−2.26 (4.97)¶
 BOCF−3.22 (4.47)−2.49 (3.9)−3.00 (5.49)−2.00 (3.76)−2.81 (5.82)−1.82 (3.98)−1.82 (4.53)
 LOCF−3.22 (4.47)−2.49 (3.9)−3.71 (5.76)−2.23 (4.03)−3.51 (4.48)−1.85 (3.97)−1.82 (4.53)
  • *N=31.

  • †N=26.

  • ‡N=23.

  • §N=21.

  • BMI, body mass index; BOCF, baseline observation carried forward; LOCF, last observation carried forward.