Research Article

Web-Based Interventions Alone or Supplemented with Peer-Led Support or Professional Email Counseling for Weight Loss and Weight Maintenance in Women from Rural Communities: Results of a Clinical Trial

Table 4

Observed means of primary outcome measures of intervention groups.

Variable Web-based
only (WO)
Web-based
discussion (WD)
Web-based
email (WE)
Mean (SD)Mean (SD)Mean (SD)

Body weight (kg)
 Baseline10193.6 (13.7)10094.5 (12.9)10093.3 (12.6)
 6 months8788.0 (14.6)8889.4 (13.9)9287.2 (13.5)
 18 months8188.9 (14.8)7289.6 (13.6)7788.3 (15.5)
 30 months7689.4 (14.0)6790.4 (13.3)7389.5 (16.7)
Waist circumference (cm)
 Baseline101109.4 (11.6)100108.8 (10.9)100108.5 (10.0)
 6 months87102.8 (12.1)88103.3 (11.6)91102.4 (11.2)
 18 months81104.4 (12.0)71104.1 (11.3)75103.8 (13.4)
 30 months76103.8 (12.0)66103.8 (10.6)73104.3 (13.6)
Kcal intake daily
 Baseline1011809 (729)1001930 (675)1001789 (556)
 6 months851516 (535)881514 (513)911415 (447)
 18 months791532 (587)701527 (610)731371 (534)
 30 months751473 (499)651384 (434)721375 (511)
Weekly minutes ≥ moderate intensity activity (Actigraph)
 Baseline100274.6 (149.6)99252.0 (125.0)100227.2 (137.3)
 6 months86299.1 (165.3)84273.0 (154.5)87239.2 (126.0)
 18 months78260.3 (133.5)71251.8 (137.7)72219.6 (113.3)
 30 months72267.3 (133.1)65248.4 (150.6)68231.5 (131.0)
Weekly minutes ≥ moderate intensity activity (BRFSS)
 Baseline101127.8 (197.9)100104.4 (135.6)100109.7 (139.6)
 6 months87183.9 (232.1)88133.4 (172.5)91171.2 (274.7)
 18 months81123.6 (146.5)71125.1 (188.4)75125.9 (186.2)
 30 months76119.4 (160.8)66108.0 (171.2)73100.4 (131.1
Systolic blood pressure (mmHg)
 Baseline101123.4 (12.6)100121.4 (10.9)100124.4 (12.3)
 6 months87120.5 (16.3)88120.1 (12.5)91120.6 (13.0)
 18 months81122.0 (17.0)71120.1 (11.6)75121.3 (13.2)
 30 months76122.0 (13.0)66120.7 (13.3)73122.0 (14.7)
Diastolic blood pressure (mmHg)
 Baseline10176.9 (7.9)10076.5 (7.8)10077.0 (8.2)
 6 months8775.8 (8.7)8875.6 (9.0)9175.6 (8.4)
 18 months8176.0 (9.1)7175.6 (7.8)7574.8 (9.6)
 30 months7675.7 (7.7)6674.8 (8.4)7374.7 (8.8)
Total cholesterol (mL/dL)
 Baseline100196.8 (36.8)99200.4 (37.4)100200.4 (43.7)
 6 months86199.6 (41.8)88204.7 (36.9)92192.0 (45.1)
 18 months81200.0 (32.7)72211.7 (35.0)74198.7 (39.9)
 30 months73201.7 (33.5)66210.5 (35.8)71196.6 (40.8)
HDL (mL/dL)
 Baseline10148.5 (10.6)9950.5 (13.2)10049.8 (14.6)
 6 months8653.0 (11.7)8853.7 (11.3)9250.0 (13.0)
 18 months8156.1 (12.5)7256.6 (11.3)7454.6 (11.0)
 30 months7356.1 (10.8)6658.5 (14.8)7154.1 (12.0)
LDL (mL/dL)
 Baseline101121.7 (32.4)98124.8 (32.5)100122.2 (35.3)
 6 months86122.8 (34.4)88127.7 (32.4)92116.9 (37.0)
 18 months80117.5 (30.0)71129.2 (29.6)74119.5 (36.5)
 30 months73119.3 (29.9)64126.3 (29.7)71116.0 (35.1)
Triglycerides (mL/dL)
 Baseline101134.7 (68.6)99129.6 (87.5)100141.6 (69.2)
 6 months86118.8 (60.3)88116.7 (53.9)92125.6 (63.0)
 18 months81136.0 (76.4)72129.4 (75.1)74122.9 (55.4)
 30 months73131.8 (63.9)66128.9 (72.7)71132.7 (60.2)
Fasting glucose (mL/dL)
 Baseline101101.7 (15.5)99102.0 (22.2)10099.4 (14.2)
 6 months8687.7 (14.5)88100.9 (21.4)9299.0 (15.8)
 18 months8197.7 (11.5)7296.3 (12.2)7497.7 (14.2)
 30 months7399.6 (12.2)66100.5 (19.9)7097.7 (16.5)

Note: 6, 18, and 30 months corresponded to the end of phases 1, 2, and 3, respectively.