Table 2.
Physical activity levels, screen time and sleep quality of 10–15 years old adolescent boys and girls in the study
| Variables | Overall (n = 772) | Girls (n = 378) | Boys (n = 394) | P value |
| Moderate to Vigorous Physical Activity (MVPA) | Mean (SD) | Mean (SD) | Mean (SD) | |
| Frequency of performing activities (d/week) a | ||||
| a. Football/basketball/volleyball | 2.15 (1.32) | 1.09 (1.67) | 3.36 (2.01) | < 0.001 ** |
| b. Running/jogging/ playing tag | 2.20 (2.11) | 2.18 (1.98) | 2.25 (1.43) | 0.572 |
| c. Swimming/ bicycling | 3.13 (2.01) | 2.91 (1.08) | 3.21 (1.69) | 0.003 * |
| d. Dancing/aerobics/martial arts | 1.21 (1.06) | 1.24 (1.01) | 1.19 (1.06) | 0.503 |
| e. Cricket/badminton/ tennis | 2.07 (1.22) | 1.86 (1.22) | 2.91 (1.20) | < 0.001** |
| f. Household chores (sweeping/ washing clothes) | 1.31(1.04) | 1.78 (1.03) | 0.70 (1.01) | < 0.001** |
| Total time spent in MVPA (minutes/d) | 68.33 (29.2) | 70.33 (26.90) | 66.21 (24.22) | 0.091 |
| MVPA < 60 min/d (n%) | 479 (62.0) | 242 (64.0) | 237 (60.2) | 0.253 |
| Screen-based Sedentary Behaviors (ST) | Mean (SD) | Mean (SD) | Mean (SD) | |
| Frequency of performing activities (d/week) | ||||
| a. Studying/ playing on desktop/laptop | 5.27 (1.11) | 5.15 (2.21) | 5.34 (1.78) | 0.188 |
| b. Watching television/ streaming platforms | 6.89 (0.09) | 6.77 (1.88) | 6.92 (1.01) | 0.165 |
| c. Using social media | 4.56 (1.87) | 4.68 (2.02) | 4.41 (1.66) | 0.042* |
| d. Reading e-books/listening to music | 3.13 (2.66) | 3.56 (1.11) | 2.98 (1.08) | < 0.001** |
| e. Watching videos/ movies | 3.44 (1.91) | 3.02 (1.56) | 3.86 (2.02) | < 0.001** |
| f. Playing handheld video games | 2.68 (1.05) | 2.19 (1.03) | 3.22 (1.11) | < 0.001** |
| Total time spent in ST (minutes/d) | 172.41 (88.32) | 218.21 (69.01) | 165.34 (101.22) | < 0.001 ** |
| Screen time > 120 min/d (n%) | 656 (85.0) | 336 (88.9) | 320 (81.2) | 0.003* |
| Sleep Quality | Mean (SD) | Mean (SD) | Mean (SD) | |
| Component 1: Subjective sleep quality | 1.62 (1.19) | 1.59 (1.03) | 1.64 (1.01) | 0.496 |
| Component 2: Sleep Latency | 1.29 (1.09) | 1.26 (1.01) | 1.30 (1.04) | 0.786 |
| Component 3: Sleep Duration | 1.51 (1.22) | 1.68 (1.11) | 1.42 (0.95) | 0.005 * |
| Component 4: Sleep Efficiency | 1.01 (0.77) | 1.01 (0.99) | 1.02 (1.01) | 0.712 |
| Component 5: Sleep Disturbances | 1.22 (0.99) | 1.25 (1.01) | 1.19 (1.04) | 0.123 |
| Component 6: Use of Sleep Medication | 0.00 (0.00) | 0.00 (0.00) | 0.00 (0.00) | – |
| Component 7: Daytime Dysfunction | 1.09 (1.01) | 1.08 (1.01) | 1.09 (1.03) | 0.516 |
| Global PSQI score | 6.85 (2.98) | 7.12 (1.76) | 6.78 (2.02) | 0.013 * |
| Global PSQI > 5 (n%) | 285 (36.9) | 155 (41.0) | 130 (33.0) | 0.021 * |
| Clustering of PA, ST and Sleep | n (%) | n (%) | n (%) | |
| MVPA < 60 min/d + ST > 120 min/d | 534 (69.2) | 256 (67.7) | 278 (70.6) | 0.383 |
| MVPA < 60 min/d + PSQI > 5 | 192 (24.9) | 102 (27.0) | 90 (22.8) | 0.177 |
| ST > 120 min/d + PSQI > 5 | 239 (31.0) | 128 (33.9) | 111 (28.2) | 0.087 |
| MVPA < 60 min/d + ST > 120 min/d + PSQI > 5 | 145 (18.8) | 66 (17.5) | 79 (20.1) | 0.356 |
SD Standard Deviation, * p ≤ 0.05, ** p ≤ 0.001 a Frequency responses (0 to 7 days) scored 0–7. Sleep quality assessed using Pittsburg Sleep Quality Index (PSQI)