Psychometric properties of the personal wellbeing index in Brazilian and Chilean adolescents including spirituality and religion

Sarriera, Jorge Castellá; Casas, Ferran; Alfaro, Jaime; Bedin, Lívia; Strelhow, Miriam Raquel Wachholz; Abs, Daniel; Valdenegro, Boris; García, Catalina; Oyarzún, Denise

doi:10.1590/1678-7153.201427411

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Psicologia: Reflexão e Crítica

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Psychological Assessment • Psicol. Reflex. Crit. 27 (4) • Oct-Dec 2014 • https://doi.org/10.1590/1678-7153.201427411 copy

Psychometric properties of the personal wellbeing index in Brazilian and Chilean adolescents including spirituality and religion

Propriedades psicométricas do personal wellbeing index em adolescentes brasileiros e chilenos incluindo espiritualidade e religião

Authorship SCIMAGO INSTITUTIONS RANKINGS

This study compared the 7-item Personal Wellbeing Index (PWI) with two other versions which include the domains "Spirituality" and "Religion", separately, in a sample of Brazilian (n = 1.047) and Chilean (n = 1.053) adolescents. A comparison of psychometric properties between the PWI versions was carried out through multigroup confirmatory factor analysis showing adequate adjustments (CFI > .95, RMSEA < .08), whereas the item spirituality presented better performance. For the analysis of the differential contribution of each domain to the notion of global satisfaction, a regression on the item Overall Life Satisfaction (OLS) was applied using structural equations. It is recommended the inclusion of the item spirituality in the original scale, considering the importance of such domain in both cultures.

Personal wellbeing; spirituality; religion; adolescence

PWI Domains	Chile			Brazil
PWI Domains	Item-total Correlation PWI-7	Item-total Correlation PWI-8 – Spi	Item-total Correlation PWI-8 - Rel	Item-total Correlation PWI-7	Item-total Correlation PWI-8 – Spi	Item-total Correlation PWI-8 - Rel
	.451	.444	.427	.453	.461	.461
	.555	.551	.538	.533	.528	.521
	.610	.612	.589	.560	.556	.548
	.598	.600	.573	.533	.524	.492
	.472	.472	.468	.459	.473	.473
	.458	.468	.460	.531	.529	.511
	.530	.542	.536	.444	.459	.443
		.412			.400
			.268			.290
	.796	.803	.785	.779	.788	.774

	1	2	3	4	5	6	7	8	9	10
1. Health	1	.393^*	.284^*	.304^*	.239^*	.342^*	.275^*	.260^*	.220^*	.290^*
2. Standard of Living	.473^*	1	.460^*	.335^*	.267^*	.385^*	.291^*	.251^*	.196^*	.370^*
3. Life Achievements	.330^*	.488^*	1	.438^*	.350^*	.356^*	.324^*	.268^*	.210^*	.404^*
4. Personal Safety	.301^*	.379^*	.496^*	1	.306^*	.439^*	.281^*	.242^*	.123^*	.371^*
5. Groups	.267^*	.301^*	.324^*	.379^*	1	316^*	.375^*	.281^*	.238^*	.264^*
6. Future Security	.224^*	.285^*	.424^*	.423^*	.236^*	1	.265^*	.262^*	.177^*	.407^*
7. Personal Relationships	.293^*	.328^*	.379^*	.428^*	.451^*	.298^*	1	.277^*	.188^*	.285^*
8. Spirituality	.208^*	.267^*	.316^*	.313^*	.242^*	.273^*	.314^*	1	.510^*	.279^*
9. Religion	.116^*	.175^*	.188^*	.177^*	.182^*	.193^*	.230^*	.486^*	1	.293^*
10. OLS	.308^*	.434^*	.463^*	.557^*	.324^*	.402^*	.377^*	.365^*	.317^*	1

	χ2	df	p-value	NFI	TLI	CFI	RMSEA (IC)	SRMR
CFA PWI-7 Chile+Brazil	19.28	11	.056	.994	.995	.998	.019 (.000-.033)	.0139
CFA PWI-7 Chile	22.87	11	.018	.988	.987	.993	.032 (.013-.051)	.0208
CFA PWI-7 Brazil	34.00	11	<.001	.978	.971	.985	.045 (.028-.062)	.0224
CFA PWI-8 – Spirituality Chile+Brazil	38.34	17	<.001	.990	.991	.994	.024 (.014-.035)	.0164
CFA PWI-8 – Spirituality Chile	29.71	17	<.001	.985	.990	.994	.027 (.009-.042)	.0202
CFA PWI-8– Spirituality Brazil	51.91	17	<.001	.970	.966	.980	.044 (.031-.058)	.0256
CFA PWI-8 – Religion Chile+Brazil	49.75	17	<.001	.986	.985	.991	.030 (.021-.040)	.0196
CFA PWI-8 – Religion Chile	37.14	17	<.001	.981	.982	.989	.034 (.019-.048)	.0232
CFA PWI-8 – Religion Brazil	64.08	17	<.001	.961	.952	.971	.051 (.038-.065)	.0295
Multigroup Unconstrained Model CFA PWI-7	57.34	22	<.001	.983	.980	.989	.028 (.019- .037)	.0224
Multigroup Constrained Factor Loadings CFA PWI-7	73.06	28	<.001	.978	.980	.986	.028 (.020-.036)	.0275
Multigroup CFA PWI-8 – Spirituality Multigroup Unconstrained Model	81.63	34	<.001	.978	.979	.987	.026 (.019-.033)	.0256
CFA PWI-8– Spirituality Constrained Factor Loadings	97.41	41	<.001	.974	.979	.985	.026 (.019-.032)	.0296
Multigroup CFA PWI-8– Religion Unconstrained Model	101.22	34	<.001	.972	.969	.981	.031 (.024-.038)	.0295
Multigroup CFA PWI-8– Religion Constrained Factor Loadings	117.52	41	<.001	.967	.970	.978	.030 (.024-.036)	.0338

	χ2	df	p-value	NFI	TLI	CFI	RMSEA (IC)	SRMR
OLS --> PWI-7 – Chile + Brazil	37.25	17	<.001	.991	.992	.995	.024 (.013-.034)	.016
OLS --> PWI-7 – Chile	42.54	17	<.001	.982	.982	.989	.038 (.024-.052)	.022
OLS --> PWI-7 – Brazil	42.48	17	<.001	.978	.978	.986	.038 (.024-.052)	.021
OLS --> PWI-8 – Spirituality Chile + Brazil	62.41	24	<.001	.987	.988	.992	.028 (.019-.036)	.018
OLS --> PWI-8 – Spirituality Chile	54.81	24	<.001	.979	.982	.988	.035 (.023-.047)	.022
OLS --> PWI-8– Spirituality Brazil	61.74	24	<.001	.971	.973	.982	.039 (.027-.051)	.025
OLS --> PWI-8 – Religion Chile + Brazil	109.02	24	<.001	.979	.972	.981	.041 (.033-.049)	.023
OLS --> PWI-8 – Religion Chile	81.75	24	<.001	.968	.965	.977	.048 (.037-.059)	.027
OLS --> PWI-8 – Religion Brazil	89.29	24	<.001	.956	.951	.968	.051 (.040-.063)	.030
Multigroup OLS --> PW7 Unconstrained Model	85.03	34	<.001	.980	.980	.988	.027 (.020-.034)	.021
Multigroup OLS --> PW7 Constrained Factor Loadings	102.81	40	<.001	.976	.979	.985	.027 (.021-.034)	.027
Multigroup OLS --> PWI-8– Spirituality Unconstrained Model	116.55	48	<.001	.975	.978	.985	.026 (.020-.032)	.025
Multigroup OLS --> PWI-8– Spirituality Constrained Factor Loadings	134.18	55	<.001	.972	.978	.983	.026 (.021-.032)	.029
Multigroup OLS --> PWI-8– Religion Unconstrained Model	171.05	48	<.001	.963	.959	.973	.035 (.029-.041)	.030
Multigroup OLS --> PWI-8– Religion Constrained Factor Loadings	189.30	55	<.001	.959	.961	.970	.034 (.029-.039)	.034

Bootstrap ML. 95% IC Sample = 500	Brazil+Chile			Brazil			Chile
Bootstrap ML. 95% IC Sample = 500	Estim.	Low.	Up.	Estim.	Low.	Up.	Estim.	Low.	Up.
Standard of Living <--- PWI	.565	.512	.609	.571	.514	.617	.559	.503	.611
Life Achievements <--- PWI	.672	.625	.712	.647	.598	.694	.677	.625	.726
Personal Safety <--- PWI	.702	.667	.736	.664	.620	.704	.734	.691	.777
Groups <--- PWI	.483	.429	.544	.454	.396	.511	.505	.448	.568
Future Security <---PWI	.593	.548	.635	.596	.546	.643	.602	.554	.648
Personal Relations. <--- PWI	.525	.477	.570	.500	.440	.560	.536	.488	.589
Health <--- PWI	.463	.411	.518	.501	.444	.555	.431	.377	.487
PWI <--- OLS	.670	.630	.709	.608	.537	.678	.715	.668	.762
*SMC PWI <--- OLS	.449			.370			.510

Bootstrap ML. 95% IC Sample = 500	Brazil+Chile				Brazil					Chile
Bootstrap ML. 95% IC Sample = 500	Estim.	Low.	Up.			Estim.	Low.	Up.		Estim.	Low.	Up.
Standard of Living <--- PWI	.565	.514	.612		.571		.517	.617		.560	.502	.614
Life Achievements <--- PWI	.668	.621	.709		.643		.593	.687		.675	.625	.724
Personal Safety <--- PWI	.692	.656	.728		.653		.609	.692		.724	.683	.766
Groups <--- PWI	.490	.435	.548		.461		.405	.517		.511	.454	.573
Future Security <--- PWI	.592	.548	.633		.593		.543	.639		.601	.556	.645
Personal Relations <--- PWI	.535	.489	.580		.510		.451	.569		.546	.497	.597
Health <--- PWI	.468	.417	.522		.507		.453	.560		.435	.382	.491
Spirituality <--- PWI	.470	.425	.518		.454		.405	.503		.473	.426	.528
PWI <--- OLS	.673	.636	.713		.610		.539	.680		.720	.675	.765
*SMC PWI <--- OLS	.453			.372					.518

Bootstrap ML. 95% IC Sample = 500	Brazil+Chile			Brazil			Chile
Bootstrap ML. 95% IC Sample = 500	Estim.	Low.	Up.	Estim.	Low.	Up.	Estim.	Low.	Up.
Standard of Living <--- PWI	.565	.513	.608	.573	.518	.620	.559	.503	.612

Personal Safety <--- PWI	.690	.654	.724	.652	.607	.692	.721	.675	.765
Groups <--- PWI	.488	.430	.546	.460	.404	.517	.509	.453	.570
Future Security <--- PWI	.592	.546	.633	.594	.542	.640	.600	.553	.644
Personal Relations <--- PWI	.530	.481	.574	.505	.445	.563	.540	.492	.590
Health <--- PWI	.465	.412	.520	.506	.450	.560	.432	.379	.487
Religion <--- PWI	.341	.290	.386	.331	.275	.385	.345	.289	.397
PWI <--- OLS	.682	.644	.722	.621	.548	.691	.727	.683	.773
*SMC PWI <--- OLS	.465			.385			.528

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