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Volume 6: No. 3, July 2009

COMMUNITY CASE STUDY
An Internet-Based Weight Loss Intervention Initiated by a Newspaper for the Public

Respondents Week of the Challenge
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
All respondents 198.3 198.6 196.9 192.7 191.4 192.4 189.3 185.9 190.2 183.2 187.1 185.5 185.4 182.2 184.5
Respondents who recorded data at weeks 1 and 15 190.3                           184.5
Data at weeks 1 and 15, no group participation 200.2                           192.5
Data at weeks 1 and 15, group participation 180.5                           176.5
Participation by week 705 277 423 379 360 330 335 254 240 214 178 161 170 128 154

Figure. Mean reported weight of participants in the Herald-Sun 2005 Lose to Win challenge, Durham County, North Carolina. Mean weight is shown for all participants who reported weight each week. Lines are also shown for the subset of participants (n = 154) who reported weight on both the first and last week of the challenge, in total and by whether they participated with a group (n = 143) or independently (n = 11). Also shown is the week-by-week participation. A trend toward weight loss was reported among all subgroups, but standard deviations were wide and overlapped, so no between-group differences can be determined.

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The findings and conclusions in this report are those of the authors and do not necessarily represent the official position of the Centers for Disease Control and Prevention.


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