Table 2 Construct reliabilities, AVEs,...

Table 2

Construct reliabilities, AVEs, square roots of AVEs and construct correlations with 95% confidence intervals

	CR	AVE	PITU	ITIS	FOMO	ITUA	INFA	WITU	WOML	Gender	Age	ITEX
Problematic IT use (PITU)	0.837	0.633	0.796
IT insecurity (ITIS)	0.904	0.653	0.786^*** [0.738, 0.834]	0.808
Fear of missing out (FOMO)	0.798	0.570	0.746^*** [0.689, 0.803]	0.706^*** [0.652, 0.761]	0.755
IT use autonomy (ITUA)	0.887	0.724	0.285^*** [0.211, 0.358]	0.187^*** [0.113, 0.260]	0.331^*** [0.255, 0.407]	0.851
Involvement facilitation (INFA)	0.782	0.547	0.390^*** [0.312, 0.468]	0.377^*** [0.303, 0.450]	0.446^*** [0.367, 0.525]	0.577^*** [0.514, 0.640]	0.739
Work IT use (WITU)	0.905	0.761	−0.049 [−0.125, 0.027]	−0.076 [−0.153, 0.000]	−0.100^* [−0.176, −0.023]	0.087^* [0.010, 0.164]	0.042 [−0.043, 0.126]	0.872
Work mental load (WOML)	0.749	0.500	−0.014 [−0.093, 0.066]	−0.046 [−0.129, 0.037]	−0.062 [−0.148, 0.024]	0.142^** [0.052, 0.232]	0.199^*** [0.103, 0.295]	0.147^** [0.055, 0.240]	0.707
Gender	–	–	−0.208^*** [−0.279, −0.138]	−0.229^*** [−0.297, −0.161]	−0.210^*** [−0.283, −0.138]	−0.212^*** [−0.280, −0.144]	−0.180^*** [−0.254, −0.106]	−0.012 [−0.082, 0.059]	0.042 [−0.039, 0.123]	–
Age	–	–	−0.270^*** [−0.337, −0.203]	−0.122^*** [−0.191, −0.054]	−0.211^*** [−0.282, −0.140]	−0.104^** [−0.174, −0.034]	−0.204^*** [−0.276, −0.131]	0.043 [−0.029, 0.115]	0.025 [−0.054, 0.103]	−0.129^*** [−0.195, −0.062]	–
IT experience (ITEX)	–	–	−0.292^*** [−0.354, −0.230]	−0.188^*** [−0.251, −0.126]	−0.252^*** [−0.321, −0.183]	−0.131^*** [−0.203, −0.059]	−0.296^*** [−0.366, −0.226]	0.198^*** [0.132, 0.263]	0.100^** [0.027, 0.173]	−0.030 [−0.098, 0.037]	0.658^*** [0.618, 0.698]	–

	CR	AVE	PITU	ITIS	FOMO	ITUA	INFA	WITU	WOML	Gender	Age	ITEX
Problematic IT use (PITU)	0.837	0.633	0.796
IT insecurity (ITIS)	0.904	0.653	0.786^***[0.738,0.834]	0.808
Fear of missing out (FOMO)	0.798	0.570	0.746^***[0.689,0.803]	0.706^***[0.652,0.761]	0.755
IT use autonomy (ITUA)	0.887	0.724	0.285^***[0.211,0.358]	0.187^***[0.113,0.260]	0.331^***[0.255,0.407]	0.851
Involvement facilitation (INFA)	0.782	0.547	0.390^***[0.312,0.468]	0.377^***[0.303,0.450]	0.446^***[0.367,0.525]	0.577^***[0.514,0.640]	0.739
Work IT use (WITU)	0.905	0.761	−0.049[−0.125,0.027]	−0.076[−0.153,0.000]	−0.100^*[−0.176,−0.023]	0.087^*[0.010,0.164]	0.042[−0.043,0.126]	0.872
Work mental load (WOML)	0.749	0.500	−0.014[−0.093,0.066]	−0.046[−0.129,0.037]	−0.062[−0.148,0.024]	0.142^**[0.052,0.232]	0.199^***[0.103,0.295]	0.147^**[0.055,0.240]	0.707
Gender	–	–	−0.208^***[−0.279,−0.138]	−0.229^***[−0.297,−0.161]	−0.210^***[−0.283,−0.138]	−0.212^***[−0.280,−0.144]	−0.180^***[−0.254,−0.106]	−0.012[−0.082,0.059]	0.042[−0.039,0.123]	–
Age	–	–	−0.270^***[−0.337,−0.203]	−0.122^***[−0.191,−0.054]	−0.211^***[−0.282,−0.140]	−0.104^**[−0.174,−0.034]	−0.204^***[−0.276,−0.131]	0.043[−0.029,0.115]	0.025[−0.054,0.103]	−0.129^***[−0.195,−0.062]	–
IT experience (ITEX)	–	–	−0.292^***[−0.354,−0.230]	−0.188^***[−0.251,−0.126]	−0.252^***[−0.321,−0.183]	−0.131^***[−0.203,−0.059]	−0.296^***[−0.366,−0.226]	0.198^***[0.132,0.263]	0.100^**[0.027,0.173]	−0.030[−0.098,0.037]	0.658^***[0.618,0.698]	–

Note(s): CR = composite reliability, AVE = average variance extracted (diagonal axis represents the square roots of AVE), 95% confidence intervals highlighted in brackets, ***p < 0.001, **p < 0.01

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