Santech, Inc., San Diego, CA 92121, USA.
Prev Med. 2012 Nov;55(5):412-7. doi: 10.1016/j.ypmed.2012.08.011. Epub 2012 Aug 27.
Text-messaging shows promise as a health intervention. This randomized controlled trial evaluated a daily text-messaging weight loss intervention.
Overweight and obese adults (n=170) in California were randomized to receive daily interactive and personally weight-relevant text-messages or monthly e-newsletters. Participants were measured at baseline, 6 and 12 months. Group differences were assessed in weight loss. Relation of text-messaging adherence to weight loss and change in pedometer steps was examined.
There were no group differences in weight loss over 6 (1.53 lb vs 3.72 lb) or 12 months (2.27 lb vs 3.64 lb; control vs intervention). Text-messaging adherence was moderately strong (60-69%). Participants with greater adherence lost more weight at 6 (p=.039) and 12 months (p=.023) than those who were less adherent. Intervention participants' steps increased almost 3000 steps/day over time (p<.05), and higher step counts were associated with greater weight loss (p<.05). Text-messaging satisfaction was moderate to high, and pedometer-related satisfaction was associated with greater weight loss (p<.05).
Although text-messaging had no effect on weight, adherence was associated with improvement in weight-related behaviors and weight outcomes. Text-messages could be a useful adjunct to weight loss treatments.
短信在健康干预方面显示出一定的潜力。本随机对照试验评估了一种每日短信减肥干预措施。
在加利福尼亚州，超重和肥胖成年人（n=170）被随机分配接受每日互动式和个性化体重相关的短信或每月电子通讯。参与者在基线、6 个月和 12 个月时进行测量。评估体重减轻方面的组间差异。检查短信参与度与体重减轻和计步器步数变化的关系。
在 6 个月（1.53 磅对 3.72 磅）和 12 个月（2.27 磅对 3.64 磅；对照组对干预组）的体重减轻方面，两组之间没有差异。短信参与度适中（60-69%）。与不太遵守的参与者相比，遵守程度更高的参与者在 6 个月（p=.039）和 12 个月（p=.023）时体重减轻更多。干预组的步数随着时间的推移几乎增加了 3000 步/天（p<.05），并且更高的步数与更大的体重减轻相关（p<.05）。短信满意度为中等至较高，计步器相关满意度与更大的体重减轻相关（p<.05）。
尽管短信对体重没有影响，但遵守情况与体重相关行为和体重结果的改善有关。短信可以作为减肥治疗的有用辅助手段。
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