Go!: results from a quasi-experimental obesity prevention trial with hospital employees

LaCaille, Lara J.; Schultz, Jennifer Feenstra; Goei, Ryan; LaCaille, Rick A.; Dauner, Kim Nichols; de Souza, Rebecca; Nowak, Amy Versnik; Regal, Ronald

doi:10.1186/s12889-016-2828-0

BMC Public Health

Table 3 Changes in outcome variables at 6 and 12 months

From: Go!: results from a quasi-experimental obesity prevention trial with hospital employees

	Change baseline to 6 months within groups		Group Differences		Change baseline to 12 months within groups		Group Differences
Variables	Change (% or score^a; 95 % CI)	p	Mean difference (% or score^a; 95 % CI)	p	Change (% or score^a; 95 % CI)	p	Mean difference (% or score^a; 95 % CI)	p
Weight (kgs)^a
Intervention	−0.39 % (−0.96, 0.18)	0.17	0.21 % (−1.13, 1.56)	0.76	0.27 % (−0.36, 0.89)	0.40	−0.32 % (−1.80, 1.17)	0.66
Comparison	−0.59 % (−1.69, 0.51)	0.29	0.21 % (−1.13, 1.56)	0.76	0.59 % (−0.65, 1.85)	0.35	−0.32 % (−1.80, 1.17)	0.66
BMI^a
Intervention	−0.11 % (−0.63, 0.40)	0.67	1.10 % (−0.17, 2.39)	0.09	0.34 % (−0.27, 0.95)	0.27	0.16 % (−1.18, 1.52)	0.81
Comparison	−1.20 % (−2.31, −0.07)	0.04	1.10 % (−0.17, 2.39)	0.09	0.18 % (−1.07, 1.44)	0.78	0.16 % (−1.18, 1.52)	0.81
Waist (cm)^a
Intervention	−0.04 % (−0.64, 0.57)	0.90	2.99 % (1.28 to 4.72)	0.001	−0.15 % (−0.85, 0.56)	0.68	0.54 % (−1.06, 2.16)	0.51
Comparison	−2.94 % (−4.42, −1.44)	0.000	2.99 % (1.28 to 4.72)	0.001	−0.68 % (−2.08, 0.73)	0.34	0.54 % (−1.06, 2.16)	0.51
IPAQ^a
Intervention	8.29 % (0.71, 16.44)	0.03	−1.71 % (−15.69, 14.59)	0.83	12.41 % (4.09, 21.38)	0.004	22.41 % (6.02, 41.32)	0.006
Comparison	10.17 % (−3.58, 25.89)	0.15	−1.71 % (−15.69, 14.59)	0.83	−8.17 % (−18.72, 3.74)	0.17	22.41 % (6.02, 41.32)	0.006
GLTEQ^a
Intervention	19.30 % (6.80, 33.25)	0.003	−5.57 % (−25.09, 19.03)	0.63	7.93 % (−2.52, 19.50)	0.14	8.28 % (−13.73, 35.91)	0.49
Comparison	26.34 % (2.04, 56.41)	0.03	−5.57 % (−25.09, 19.03)	0.63	−0.33 % (−18.75, 22.27)	0.98	8.28 % (−13.73, 35.91)	0.49
Fruit & vegetable servings^a
Intervention	5.31 % (−0.38, 11.33)	0.07	−6.46 % (−16.35, 4.60)	0.24	−7.84 % (−13.13, −2.23)	0.007	−11.70 % (−21.76, −0.35)	0.04
Comparison	12.59 % (2.36, 23.84)	0.02	−6.46 % (−16.35, 4.60)	0.24	4.38 % (−6.43, 16.43)	0.44	−11.70 % (−21.76, −0.35)	0.04
% calories from fat^a
Intervention	−1.01 % (−3.38, 1.41)	0.40	−1.71 % (−6.28, 3.08)	0.47	−0.65 % (−3.47, 2.26)	0.64	−0.28 % (−.762, 2.38)	0.28
Comparison	0.71 % (−3.12, 4.69)	0.72	−1.71 % (−6.28, 3.08)	0.47	2.16 % (−2.47, 7.01)	0.36	−0.28 % (−.762, 2.38)	0.28
Fiber (g) daily^a
Intervention	5.97 % (0.05, 12.23)	0.05	−1.71 % (−11.02, 8.57)	0.73	−6.55 % (−11.29, −1.55)	0.01	−11.15 % (−21.29, 0.31)	0.06
Comparison	7.81 % (−0.70, 17.05)	0.07	−1.71 % (−11.02, 8.57)	0.73	5.18 % (−5.44, 16.99)	0.35	−11.15 % (−21.29, 0.31)	0.06
Cookies, Cakes, Brownies
Intervention	−0.08 (−0.14, −0.03)	0.003	0.06 (−0.04, 0.16)	.22	−0.07 (−0.12, −0.01)	0.02	−0.06 (−0.18, 0.07)	.38
Comparison	−0.14 (−0.23, −0.06)	0.0007			−0.01 (−0.12, 0.01)	0.86
Muffins, donuts
Intervention	−0.05 (−0.09, −0.02)	0.006	−0.07 (−0.112, 0.02)	.009	−0.08 (−0.12, −0.05)	<0.0001	−0.08 (−0.12, −0.03)	.002
Comparison	0.01 (−0.02, 0.05)	0.45			−0.01 (−0.04, 0.02)	.59
Ice cream
Intervention	0.01 (−0.04, 0.01)	0.32	−0.02 (−0.06, 0.03)	0.45	−0.02 (−0.04, 0.00)	0.04	−0.02 (−0.07, 0.03)	0.41
Comparison	0.01 (−0.03, 0.05)	0.78			0.00 (−0.05, 0.04)	0.89
Sugar sweetened beverages
Intervention	0.01 (−0.03, 0.01)	.54	0.02 (−0.02, 0.05)	0.29	−0.02 (−0.04, 0.00)	0.02	−0.01 (−0.04, 0.01)	0.38
Comparison	−0.02 (−0.05, 0.00)	.08			−0.01 (−0.03, 0.01)	0.32
Knowledge
Intervention	0.36 (0.22, 0.50)	0.000	0.27 (−0.01, 0.55)	0.06	0.38 (0.22, 0.54)	0.000	0.23 (−0.09, 0.54)	0.16
Comparison	0.09 (−0.15, 0.34)	0.45	0.27 (−0.01, 0.55)	0.06	0.15 (−0.12, 0.43)	0.27	0.23 (−0.09, 0.54)	0.16
Information
Intervention	0.73 (0.57, 0.90)	0.000	0.40 (0.08, 0.72)	0.02	0.92 (0.70, 1.14)	0.000	0.61 (0.24, 0.99)	0.002
Comparison	0.33 (0.05, 0.62)	0.02	0.40 (0.08, 0.72)	0.02	0.31 (0.02, 0.60)	0.04	0.61 (0.24, 0.99)	0.002
Employer commitment
Intervention	0.11 (0.03, 0.19)	0.006	0.10 (−0.05, 0.26)	0.19	0.14 (0.06, 0.23)	0.002	0.19 (0.03, 0.35)	0.02
Comparison	0.01 (−0.14,0.15)	0.92	0.10 (−0.05, 0.26)	0.19	−0.05 (−0.17, 0.08)	0.46	0.19 (0.03, 0.35)	0.02
Coworker social support
Intervention	−0.03 (−0.53, 0.47)	0.92	0.09 (−0.87, 1.04)	0.86	−0.23 (−0.75, 0.29)	0.37	0.16 (−0.88, 1.21)	0.75
Comparison	−0.11 (−0.97, 0.75)	0.80	0.09 (−0.87, 1.04)	0.86	−0.39 (−1.30, 0.51)	0.39	0.16 (−0.88, 1.21)	0.75
Health discussions with coworkers
Intervention	0.33 (−0.02, 0.68)	0.06	0.54 (0.07, 1.01)	0.03	0.17 (0.00, 0.34)	0.05	0.56 (0.15, 0.97)	0.008
Comparison	−0.21 (−0.58, 0.17)	0.28	0.54 (0.07, 1.01)	0.03	−0.39 (−0.78, −0.01)	0.05	0.56 (0.15, 0.97)	0.008

Note: Difference scores are based on means adjusted for age, sex, education, income, smoking status, job category, job flexibility, weight loss goal, and taking medication for depression, diabetes, hypertension, or hyperlipidemia
^aVariables in which p values are based upon analyses using natural log transformations

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