Table 3.

Comparison of smartphone addiction scale, Rosenberg self-esteem scale, and Pittsburgh sleep quality assessment scores between boys and girls

	Mean	SD	Minimum	Maximum	Mann-Whitney U	P
SAS
Boys	31.837	7.767	12.0	52.0	27,586.500	0.258 (NS)
Girls	30.709	8.202	10.0	50.0
RSES
Boys	20.568	6.376	12.0	36.0	27,605.500	0.262 (NS)
Girls	21.275	6.467	10.0	38.0
PSQI
Boys	4.811	3.007	0.00	12.0	28,573.500	0.615 (NS)
Girls	4.608	2.868	0.00	18.0

NS – Not significant; SD – Standard deviation; PSQI – Pittsburgh sleep quality assessment; RSES – Rosenberg self-esteem scale; SAS – PSQI – Pittsburgh sleep quality assessment; RSES – Rosenberg self-esteem scale; SAS – Smartphone addiction scale