# Table 3 Association between MP use status and inattention (n = 7102)

n (%) P^ OR (95% CI) Adjusted OR (95% CI)#
Habit of answering the phone   0.798
Close to ear (ref) 2616 (80.20)   1.00 1.00
Hands-free 783 (80.72)   0.99 (0.82-1.18) 1.07 (0.88-1.29)
Use headphone 567 (81.23)   1.02 (0.83-1.26) 1.04 (0.83-1.30)
Position of MP during the day   0.000
Do not carry (ref) 401 (84.24)   1.00 1.00
Hang in front of chest 12 (44.44)   0.24 (0.12-0.46)** 0.44 (0.19-0.99)*
In coat pockets 239 (77.60)   1.14 (0.87-1.49) 1.28 (0.95-1.73)
In trouser pockets 1080 (78.89)   0.98 (0.83-1.15) 1.34 (1.10-1.62)*
In bags 348 (85.50)   1.14 (0.88-1.47) 1.04 (0.78-1.37)
Mode of MP at night   0.000
Power on and beside their heads (ref) 922 (52.12)   1.00 1.00
Power on and keep away from their heads 466 (42.02)   0.93 (0.77-1.13) 0.87 (0.71-1.06)
Power off 612 (32.74)   0.86 (0.72-1.01) 0.75 (0.63-0.90)*
1. P^obtained through χ 2 test.
2. #Adjusted for sex, age, Urban/Rural residence and whether living close to mobile base stations.
3. *P < 0.05. **P < 0.001.
4. OR: odds ratio, 95% CI: 95% confidence interval.