Table 2. Screen Time according to different independent variable .
| Screen Time | Using Cell phone & tablet | |||||
| (Crude) OR | (Adjust) OR | p | (Crude) OR | (Adjust) OR | p | |
| Sex | ||||||
| Male | 1 | 1 | 1 | 1 | ||
| Female | 0.79(0.67-0.93) | 0.82(0.69-0.98) | 0.03 | 0.69(0.56-0.84) | 0.68(0.55-0.85) | 0.001 |
| Physical Activity | ||||||
| Inadequate | 1 | 1 | 1 | 1 | ||
| PA | ||||||
| Adequate PA | 1.34(1.14-1.57) | 0.87(0.73-1.03) | 0.12 | 1.24(1.01-1.53) | 1.01(0.81-1.26) | 0.90 |
| weight | ||||||
| Low/Normal | 1 | 1 | 1 | 1 | ||
| Obese | 1.41(1.17-1.69) | 1.34(1.11-1.61) | 0.002 | 1.08(0.86-1.36) | 1.00(0.79-1.27) | 0.95 |
| &Overweight Mother Education | ||||||
| Illiterate | 1 | 1 | 1 | 1 | ||
| Elementary | 1.16(0.91-1.48) | 1.13(0.87-1.46) | 0.35 | 1.16(0.84-1.59) | 0.99(0.70-1.40) | 0.98 |
| Guidance | 1.21(0.93-1.59) | 1.04(0.77-1.41) | 0.76 | 1.18(0.83-1.68) | 0.87(0.59-1.28) | 0.49 |
| High school | 1.46(1.14-1.88) | 1.20(0.88-1.62) | 0.23 | 1.47(1.07-2.02) | 1.14(0.78-1.68) | 0.47 |
| Academic | 1.31(1.01-1.70) | 0.90(0.64-1.27) | 0.56 | 1.23(0.88-1.74) | 0.75(0.48-1.16) | 0.20 |
| Education Father | ||||||
| Uneducated | 1 | 1 | 1 | 1 | ||
| Elementary | 1.05(0.76-1.52) | 0.95(0.68-1.34) | 0.79 | 1.44(0.90-2.30) | 1.42(0.86-2.32) | 0.16 |
| Guidance | 1.09(0.79-1.52) | 0.93(0.65-1.34) | 0.72 | 2.03(1.28-3.24) | 1.97(1.19-3.26) | 0.008 |
| High school | 1.23(0.89-1.68) | 0.91(0.63-1.31) | 0.61 | 1.53(0.97-2.43) | 1.21(0.71-2.04) | 0.46 |
| Academic | 1.42(1.05-1.92) | 1.00(0.69-1.46) | 0.97 | 1.93(1.25-3.00) | 1.52(0.89-2.57) | 0.11 |
| SES | ||||||
| Poorest SES | 1 | 1 | 1 | 1 | ||
| Poor SES | 1.29(1.04-1.60) | 1.21(0.96-1.72) | 0.09 | 1.02(0.75-1.39) | 1.03(0.74-1.42) | 0.84 |
| Middle SES | 1.83(1.44-2.33) | 1.67(1.29-2.17) | 0.000 | 2.15(1.61-2.87) | 2.22(1.61-3.05) | 0.000 |
| Rich SES | 1.90(1.48-2.45) | 1.74(1.32-2.31) | 0.000 | 2.14(1.58-2.90) | 2.31(1.65-3.25) | 0.000 |
| Richest SES | 1.77(1.34-2.34) | 1.66(1.22-2.26) | 0.001 | 2.47(1.79-3.40) | 2.77(0.99-2.53) | 0.000 |
| Mother Age | ||||||
| 30> | 1 | 1 | 1 | 1 | ||
| 30-39 | 0.91(0.67-1.25) | 0.85(0.61-1.18) | 0.35 | 0.75(0.51-1.08) | .68(0.46-1.01) | 0.05 |
| 40< | 0.87(0.62-1.21) | 0.79(0.54-1.16) | 0.23 | 0.68(0.46-1.01) | 0.58(0.36-0.93) | 0.02 |
| Father Age | ||||||
| 30> | 1 | 1 | 1 | 1 | ||
| 30-39 | 1.01(0.85-1.19) | 1.02(0.83-1.24) | 0.82 | 0.95(0.77-1.18) | 0.96(0.75-1.24) | 0.78 |
| 40< | 1.02(0.77-1.35) | 1.08(0.77-1.53) | 0.62 | 0.96(0.67-1.37) | 1.06(0.68-1.66) | 0.77 |
| Residential Area | ||||||
| 1th | 1 | 1 | 1 | 1 | ||
| 2th | 1.45(1.11-1.90) | 1.30(0.99-1.72) | 0.05 | 1.87(1.28-2.72) | 1.68(1.14-2.48) | 0.008 |
| 3th | 1.60(1.24-2.06) | 1.24(0.95-1.63) | 0.10 | 1.75(1.22-2.51) | 1.25(0.85-1.84) | 0.23 |
| 4th | 1.66(1.23-2.23) | 1.24(0.89-1.73) | 0.19 | 1.61(1.07-2.44) | 1.18(0.75-1.88) | 0.46 |
| 5th | 2.00(1.46-2.75) | 1.41(0.99-2.01) | 0.052 | 2.34(1.54-3.55) | 1.58(0.99-2.53) | 0.05 |
| Age | ||||||
| 10 | 1 | 1 | 1 | 1 | ||
| 11 | 0.87(0.68-1.10) | 0.87(0.68-1.11) | 0.28 | 0.97(0.72-1.31) | 0.99(0.72-1.35) | 0.97 |
| 12 | 0.84(0.66-1.06) | 0.86(0.68-1.10) | 0.25 | 1.03(0.77-1.40) | 1.05(0.77-1.43) | 0.73 |
SES socioeconomic statue, residential area are classified by socioeconomic status from the lowest to the highest