Table 2.
Step-wise multiple regression analyses for associations between grit and lifestyle factors (controlling for demographic variables) (n = 888).
| Variable | Β [95% CI] | t | p-value |
|---|---|---|---|
| Step 1 (R2 = 0.089) | |||
| Age | 0.143 [0.003, 0.010] | 3.653 | <0.001 |
| Sex (ref: male) | −0.002 [−0.091, 0.087] | −0.046 | 0.963 |
| Education status (ref: less educated) | 0.161 [0.044, 0.112] | 4.563 | <0.001 |
| Children at home (ref: children at home) | −0.076 [−0.200, −0.011] | −2.184 | 0.029 |
| Student (ref: student) | −0.116 [−0.256, −0.038] | −2.655 | 0.008 |
| Employment status (ref: employed) | −0.161 [−0.387, −0.110] | −3.530 | <0.000 |
| Chronic medical conditions (ref: chronic med cond'n) | 0.111 [0.059, 0.236] | 3.261 | 0.001 |
| Dense vs. less dense populated area (ref: dense) | 0.027 [−0.018, 0.043] | 0.810 | 0.418 |
| Step 2 (R2 = 0.182; ΔR2 = 9.3) | |||
| Age | 0.110 [0.002, 0.008] | 2.915 | 0.004 |
| Sex (ref: male) | −0.013 [−0.105, 0.068] | −0.421 | 0.674 |
| Education status (ref: less educated) | 0.107 [0.019, 0.085] | 3.068 | 0.002 |
| Children at home (ref: children at home) | −0.048 [−0.159, 0.024] | −1.440 | 0.150 |
| Student (ref: student) | −0.084 [−0.223, 0.009] | −1.814 | 0.070 |
| Employment status (ref: employed) | −0.123 [−0.332, −0.049] | −2.635 | 0.009 |
| Chronic medical conditions (ref: chronic med cond'n) | 0.069 [0.006, 0.179] | 2.104 | 0.036 |
| Dense vs. less dense populated area (ref: Dense) | 0.014 [−0.023, 0.036] | 0.422 | 0.673 |
| Smoking (ref: smoker) | 0.027 [−0.086, 0.217] | 0.849 | 0.396 |
| Intensity of mental work on work/school days | 0.107 [0.000, 0.001] | 2.318 | 0.021 |
| Intensity of mental work on non-work/non-school days | 0.023 [−0.001, 0.001] | 0.669 | 0.503 |
| Number of hours of work/week | 0.034 [−0.002, 0.004] | 0.704 | 0.481 |
| Vigorous physical activity (mins/week) | 0.077 [0.000, 0.000] | 2.239 | 0.025 |
| Moderate physical activity (mins/week) | −0.011 [0.000, 0.000] | −0.311 | 0.756 |
| Light physical activity (mins/week) | 0.025 [0.000, 0.000] | 0.774 | 0.439 |
| Total time spent sitting (mins/week) | −0.120 [0.000, 0.000] | −3.610 | <0.001 |
| Total REAP-S score | 0.141 [0.011, 0.032] | 4.152 | <0.001 |
| Cook food vs eat out (ref: cook food) | 0.010 [−0.139, 0.194] | 0.325 | 0.746 |
| Usually feel well enough to cook (ref: yes) | −0.089 [−0.426, −0.072] | −2.757 | 0.006 |
| Willingness to change eating habits (Ref: most willing) | −0.096 [−0.110, −0.023] | −2.994 | 0.003 |
REAP-S = rapid eating assessment for participants – short form.