Table 3.
Dietary intake of vitamins and minerals of information technology employees in the IG (n = 51), CG (n = 44), and time, Campinas, SP, Brazil, 2020
| Dependent variable | Comparison | Mean difference | 95%CI | p-value | |
|---|---|---|---|---|---|
| Lower threshold | Upper threshold | ||||
| Vitamin A | IG-CG (T1) | -138.48 | -386.53 | 109.58 | 0.2739 |
| IG-CG (T2) | -156.57 | -432.38 | 119.25 | 0.2659 | |
| T2-T1 (CG) | 99.40 | -154.33 | 353.14 | 0.4426 | |
| T2-T1 (IG) | 81.32 | -84.36 | 246.99 | 0.3361 | |
| Vitamin C | IG-CG (T1) | -18.69 | -64.60 | 27.22 | 0.4249 |
| IG-CG (T2) | -21.02 | -82.70 | 40.66 | 0.5042 | |
| T2-T1 (CG) | 25.73 | -36.81 | 88.26 | 0.4201 | |
| T2-T1 (IG) | 23.40 | -16.94 | 63.73 | 0.2556 | |
| Calcium | IG-CG (T1) | 65.64 | -43.91 | 175.19 | 0.2402 |
| IG-CG (T2) | -114.30 | -347.29 | 118.68 | 0.3363 | |
| T2-T1 (CG) | 260.13 | 41.51 | 478.75 | 0.0197 | |
| T2-T1 (IG) | 80.18 | -55.63 | 216.00 | 0.2472 | |
| Selenium | IG-CG (T1) | -6.22 | -20.52 | 8.09 | 0.3945 |
| IG-CG (T2) | -7.23 | -31.22 | 16.76 | 0.5546 | |
| T2-T1 (CG) | 17.61 | -5.74 | 40.96 | 0.1394 | |
| T2-T1 (IG) | 16.59 | 5.04 | 28.14 | 0.0049 | |
CG = control group; IG = intervention group; T1 = start time; T2 = end time; 95%CI = 95% confidence interval.
*
Generalized estimating equations (GEE).