Table 5 Baseline (age 25) predictors of total fat and added sugar intake at follow up (age 33 years). Multiple linear regression analyses; unstandardized (B) and standardized regression coefficients (β). The Oslo Youth Study 1991 – 1999.
Dietary habits at follow-up Predictors | Total fat intake | Added sugar intake | ||||||
|---|---|---|---|---|---|---|---|---|
Model 1 | Men | Women | Men | Women | ||||
Psychosocial factors at baseline | B | β | B | β | B | β | B | β |
Attitude | 0.25 | 0.13 | 0.06 | 0.03 | 0.25 | 0.10 | 0.03 | 0.02 |
Subjective norm | 0.20 | 0.09 | 0.05 | 0.02 | 0.23 | 0.08 | 0.31 | 0.13* |
Perceived behaviour control | 0.16 | 0.01 | -3.31 | -0.29*** | -1.29 | -0.08 | 0.72 | 0.06 |
Perceived social norms | -0.34 | -0.03 | -0.15 | -0.01 | -2.20 | -0.13* | -1.83 | -0.14* |
Intention | -1.24 | -0.21** | 0.14 | 0.02 | -0.78 | -0.10 | -0.16 | -0.03 |
R2/R2 adjusted, % | 4.1/2.0 | 8.4/6.6 | 4.3/2.2 | 3.3/1.5 | ||||
Model 2 | ||||||||
Model 1 + Demographic factors at follow-up | ||||||||
Attitude | 0.27 | 0.14 | 0.04 | 0.02 | 0.30 | 0.12 | 0.02 | 0.01 |
Subjective norm | 0.18 | 0.08 | 0.03 | 0.02 | 0.20 | 0.07 | 0.28 | 0.12 |
Perceived behaviour control | 0.36 | 0.03 | -3.06 | -0.27*** | -1.31 | -0.08 | 0.98 | 0.08 |
Perceived social norms | -0.20 | -0.02 | -0.37 | -0.03 | -2.53 | -0.15* | -1.97 | -0.15* |
Intention | -1.23 | -0.21** | 0.05 | 0.01 | -0.83 | -0.11 | -0.18 | -0.03 |
Education | -0.43 | -0.09 | -0.27 | -0.05 | 0.28 | 0.04 | -0.41 | -0.07 |
Household income | -0.16 | -0.04 | -0.42 | -0.12 | -0.77 | -0.15* | -0.27 | -0.07 |
Marital status | -1.97 | -0.15 | -0.76 | -0.06 | -0.07 | -0.00 | -0.63 | -0.04 |
Children | -0.01 | 0.00 | 0.41 | 0.04 | 0.86 | 0.11 | 0.08 | 0.01 |
R2/R2 adjusted, % | 6.7/2.9 | 10.2/7.1 | 7.0/3.2 | 4.6/1.2 | ||||
Model 3 | ||||||||
Model 2 + baseline eating behaviour | ||||||||
Attitude | 0.23 | 0.12 | 0.05 | 0.03 | 0.13 | 0.05 | -0.02 | -0.01 |
Subjective norm | 0.17 | 0.08 | 0.03 | 0.01 | 0.07 | 0.02 | 0.16 | 0.07 |
Perceived behaviour control | 0.41 | 0.03 | -2.91 | -0.25*** | -1.45 | -0.09 | 1.24 | 0.10 |
Perceived social norms | -0.31 | -0.03 | -0.29 | -0.02 | -2.30 | -0.14* | -1.58 | -0.12 |
Intention | -1.16 | -0.20* | 0.09 | 0.02 | -0.23 | -0.03 | 0.15 | 0.02 |
Education | -0.43 | -0.09 | -0.27 | -0.05 | 0.74 | 0.12 | -0.30 | -0.05 |
Household income | -0.19 | 0.05 | -0.37 | -0.10 | -0.89 | -0.17* | -0.26 | -0.07 |
Marital status | -2.16 | -0.17* | -0.64 | -0.05 | -0.65 | -0.04 | -0.90 | -0.06 |
Children | -0.06 | -0.01 | 0.22 | 0.04 | 0.42 | 0.06 | 0.0 | 0.00 |
Baseline eating behaviour† | 0.92 | 0.12 | 0.56 | 0.07 | 3.65 | 0.35*** | 2.34 | 0.26*** |
R2/R2 adjusted, % | 8.0/3.9 | 10.7/7.1 | 17.6/13.9 | 10.6/7.1 | ||||