Table 1.
Parameter estimates from multivariate generalized linear models (assuming Poisson distributed variable with log link function) for 1) all sedentary hours reported by the subjects and for hours reported as spent in 2) working on the computer, 3) watching TV, and 4) in reading per day. The columns from left to right show the estimated values of the parameters and of their standard errors, the values of the chi-square distributed likelihood ratio test-statistic computed for each parameter and the probabilities of obtaining the statistic purely by chance. The final two columns give the lower and upper values of the 95% confidence interval for the estimated value of the parameter. Note that Interconnectedness is significant (at 95% or below) for all sedentary hours and TV watching, but not for reading or computer hours.
| Parameter | Estimate | Std Error | L-R ChiSquare |
Prob>ChiSq | Lower CL | Upper CL |
|---|---|---|---|---|---|---|
| 1. All Sedentary | ||||||
| Intercept | 3.6940564 | 0.6322875 | 32.46502 | <.0001* | 2.4425373 | 4.9199548 |
| Education[U] | 0.1836861 | 0.0952555 | 3.7944978 | 0.0514 | −0.001125 | 0.3733262 |
| Interconnectedness | 0.5237691 | 0.2070276 | 6.3539742 | 0.0117* | 0.1168804 | 0.9287193 |
| Age | −0.012949 | 0.0059473 | 4.7714894 | 0.0289* | −0.024696 | −0.001329 |
| Omibus test : LR ChiSquare=12.10 (df=3); p=0.007 | ||||||
| 2. Computer | ||||||
| Intercept | 2.0689578 | 1.1587634 | 3.0992665 | 0.0783 | −0.23762 | 4.2967064 |
| Education[U] | 0.1679395 | 0.1735211 | 0.9534665 | 0.3288 | −0.167641 | 0.5188903 |
| Interconnectedness | 0.3807689 | 0.3774538 | 1.0119165 | 0.3144 | −0.363432 | 1.1177448 |
| Age | −0.01182 | 0.0107783 | 1.2086771 | 0.2716 | −0.03329 | 0.0092814 |
| Omibus test : LR ChiSquare=2.58 (df=3); p=0.46 | ||||||
| 3. TV | ||||||
| Intercept | 3.4155878 | 0.8492148 | 15.293054 | <.0001* | 1.7259325 | 5.0534635 |
| Education[U] | 0.0653949 | 0.124202 | 0.2781464 | 0.5979 | −0.177362 | 0.3118018 |
| Interconnectedness | 0.6548044 | 0.2789744 | 5.4457285 | 0.0196* | 0.1054024 | 1.1997673 |
| Age | −0.010824 | 0.0079891 | 1.8409093 | 0.1748 | −0.026621 | 0.0048211 |
| Omibus test : LR ChiSquare=6.68 (df=3); p=0.08 | ||||||
| 4. Reading | ||||||
| Intercept | 1.1097561 | 1.9044855 | 0.3350526 | 0.5627 | −2.688986 | 4.737069 |
| Education[U] | 0.7525057 | 0.3898521 | 4.8930927 | 0.0270* | 0.0784773 | 1.6918435 |
| Interconnectedness | 0.4156005 | 0.6200418 | 0.4482497 | 0.5032 | −0.808368 | 1.63819 |
| Age | −0.02059 | 0.0185827 | 1.263652 | 0.2610 | −0.059367 | 0.0152861 |
| Omibus test : LR ChiSquare=5.95 (df=5); p=0.11 | ||||||