Association Between Time Spent on Electronic Devices and Body Mass Index in Young Adults

Figures & data

Table 1 Sample Characteristics

	Total	Male	Female	P-value
	n=1877	n = 419	n = 1458
Mean Age ±SD	20±2.8	20.2 ±3.3	19.8 ±2.3	0.017
Mean BMI	23.5±5.45	24.6 ±6.1	22.4 ±4.8	< 0.001*
Normal weight	1388 (69.2%)	254 (60.6%)	1134 (77.8%)	< 0.0001
Overweight	319 (19.05%)	95 (22.7%)	224 (15.4%)	0.001*
Obese	170 (11.7%)	70 (16.7%)	100 (6.7%)	< 0.0001*

Note: *Signifies that P value is < 0.05.

Table 2 Information About “Time Spent on Electronic Devices”

Time Spent on Electronic Devices	Total	Males	Females	P-value
	n=1835	n = 416	n = 1457
≤ 2 hrs/24 hours	53(3.15%)	15 (3.6%)	38 (2.6%)	0.3
3–5 hrs/24 hours	450 (23.71%)	97 (23.2%)	353 (24.2%)	0.7
≥ 6 hrs/24 hours	1332 (71.5%)	304 (72.5%)	1028 (70.5%)	0.4

Table 3 Distribution of the Study Subjects Based on Body Mass Index into Low, Medium, and Excessive “Time Spent on Electronic Devices Groups”

“Time Spent on Electronic Devices Groups”.	Normal Weight	Overweight	Obese	P-value
≤ 2 hrs/24 hours	44 (3.2%)	8 (2.6%)	1 (0.6%)	0.060
3–5 hrs/24 hours	338 (24.9%)	73 (23.5%)	39 (23.1%)	0.6
≥ 6 hrs/24 hours	973 (71.8%)	230 (74%)	129 (76.3%)	0.2

Table 4 Comparison of Mean Body Mass Index Between Various Categories of “Time Spent on Electronic Devices”

Time Spent on Electronic Devices	Total	Mean ±SD BMI	(Min-Max)	P-value
≤ 2 hrs/24 hours	53	21.7 ±3.3	(15.6–30.4)	0.156
3–5 hrs/24 hours	450	22.8 ±5.4	(14–59.8)
≥ 6 hrs/24 hours	1332	23 ±5.2	(14.5–58.2)

Table 5 Pairwise Comparison by LSD Test

Time Spent on Electronic Devices	P-Value	95%CI(LL-UL)
Low TSED Versus Medium TSED	0.146	− 2.6–0.4
Low TSED versus Excessive TSED	0.087	− 2.7–0.2

Table 6 Correlation of Body Mass Index with Screen Usage Time Using Spearman Correlation. (n = 1877)

	BMI	P-value (OR, 95% CI)
Screen usage time	0.021 (r)*	0.37 (1.03, 0.6–1.5)

Note: *Signifies that P value is < 0.05.