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. 2019 Aug 26;21(8):e13408. doi: 10.2196/13408

Table 4.

Convergent and divergent validity.

Study sample		Original factor structure					Modified factor structure
Study sample		OHI^a	SHEO^b	C&I^c	I&P^d	U&M^e	OHI	CSHEO^f	USHEO^g	M&CA^h	I&P	IDⁱ
A: Study sample 1—convergent
	Grade	0.17^j	0.28^k	0.50^k	0.47^k	0.49^k	0.17^j	0.23^k	0.27^k	0.46^k	0.49^k	0.35^k
	NPS^l	0.21^m	0.25^k	0.48^k	0.44^k	0.44^k	0.21^m	0.19^m	0.26^k	0.43^k	0.45^k	0.37^k
	EQ-5Dⁿ—daily activities	−0.01	0.07	−0.05	0.00	−0.05	−0.01	0.08	0.04	−0.05	0.00	0.01
	EQ-5D—anxiety/depression	−0.07	0.00	−0.13	−0.18^m	−0.14^j	−0.07	0.06	−0.07	−0.15^j	−0.18^m	−0.02
B: Study sample 1—divergent
	EQ-5D—mobility	−0.04	0.02	−0.04	−0.05	−0.02	−0.04	0.01	0.02	−0.01	−0.03	0.01
	EQ-5D—selfcare	0.02	0.07	−0.04	−0.03	0.03	0.02	0.06	0.07	0.01	−0.02	−0.04
	EQ-5D—pain	−0.04	0.00	−0.08	−0.06	−0.08	−0.04	0.03	−0.04	−0.09	−0.06	−0.03
C: Study sample 2—divergent
	FCCHL^o	0.14^m	0.03	—^p	—	—	0.14^m	−0.01	0.06	—	—	—
	EORTC QLQ-C30^q	0.01	0.01	—	—	—	0.01	0.00	0.02	—	—	—
D: Study sample 3—convergent
	System Usability Scale	—	—	0.29^k	0.53^k	0.39^k	—	—	—	0.30^k	0.55^k	0.12^m
	NPS	—	—	0.46^k	0.42^k	0.52^k	—	—	—	0.48^k	0.45^k	0.31^k
	Grade^r			0.59^k	0.53^k	0.62^k				0.58^k	0.55^k	0.43^k

^aOHI: attitudes towards online health information.

^bSHEO: attitudes towards sharing health experiences online.

^cC&I: confidence and identification.

^dI&P: information and presentation.

^eU&M: understanding and motivation.

^fCSHEO: comfort with sharing health experiences online.

^gUSHEO: usefulness of sharing health experiences online.

^hM&CA: motivation and confidence to act.

ⁱID: identification.

^jP<.05.

^kP<.01.

^lNPS: Net Promoter Score.

^mP<.001.

ⁿEQ-5D: EuroQol-5D.

^oFCCHL: Functional, Communicative and Critical Health Literacy scale.

^pNot applicable.

^qEORTC QLQ-C30: European Organisation for Research and Treatment of Cancer core quality of life questionnaire, version 3.0.

^rGrade: overall satisfaction.