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Table 2 Fit indices, standardized beta coefficients, and indirect effect with 95% bootstrap confidence intervals for cross-lagged models showed in Fig. 1

From: Maternal and peer attachment, identity formation, and non-suicidal self-injury: a longitudinal mediation study

Sr. no. Estimator Model 1 Model 2 Model 3 Model 4
Model fits
 1 \(\chi^{2} fit \left( {df} \right)\) 168.54 (105)** 170.38 (104)*** 258.26 (99)*** 254.30 (97)***
 2 RMSEA .034 .036 .055 .055
 3 CFI .967 .961 .901 .901
 4 TFI .957 .949 .865 .863
Model coefficient estimator (S.E.)
 1 β x1 .88 (.04)*** .87 (.04)*** .82 (.07)*** .85 (.06)**
 2 β x2 .79 (.05)*** .76 (.06)*** .62 (.07)*** .56 (.10)***
 3 β m1 .45 (.07)*** .56 (.05)*** .39 (.04)** .46 (.06)***
 4 β m2 .74 (.05)*** .84 (.04)*** .74 (.05)*** .76 (.04)***
 5 β y1 .89 (.08)** .90 (.08)*** .84 (.09)*** .84 (.09)*
 6 β y2 .60 (.11)** .64 (.12)*** .59 (.11)*** .60 (.12)***
 7 a 1 .16 (.07)* − .17 (.06)* .32 (.08)*** − .40 (.07)***
 8 b 1 − .29 (.18)* .21 (.12), ns .10 (.07), ns .21 (.11), ns
 9 a 2 − .23 (.08)* .16 (.07)* − .11 (.07), ns .12 (.07), ns
 10 b 2 − .02 (.05), ns − .04 (.06), ns − .31 (.12)* − .15 (.10), ns
Indirect effect [95% bootstrap confidence intervals]
 1 a 1 b 1 − .13 [− .35, − .01] − .09 [− .24, − .002] − .47 [− 1.01, − .13] − .48 [− 1.03, − .04]
 2 a 2 b 2 .00 [− .01, .01] .00 [− .02, .00] .00 [− .02, .00] .00 [− .01, .00]
  1. Model 1 = maternal attachment → synthesis → NSSI; Model 2 = maternal attachment → confusion → NSSI; Model 3 = peer attachment → synthesis → NSSI; Model 4 = peer attachment → confusion → NSSI
  2. * p < .05; ** p < .01; *** p < .001