Table 2.

Purchase intention and understanding results by Health Star Rating (HSR) condition^†

Countries	n	Choice results‡,§									Understanding results‡
		Coloured hybrid			Monochrome simplified			Coloured simplified			Coloured hybrid			Monochrome simplified			Coloured simplified
		OR	95 % CI	P	OR	95 % CI	P	OR	95 % CI	P	OR	95 % CI	P	OR	95 % CI	P	OR	95 % CI	P
All countries	7545	1·20	1·04, 1·39	0·014	1·05	0·91, 1·22	0·505	1·24	1·07, 1·22	0·005	1·22	1·06, 1·40	0·005	1·05	0·92, 1·20	0·489	1·29	1·22, 1·48	< 0·001
Australia*	1033	1·29	0·78, 2·14	0·328	1·08	0·66, 1·77	0·755	1·75	1·02, 2·98	0·041	1·22	0·78, 1·92	0·378	1·20	0·76, 1·88	0·435	2·13	1·28, 3·54	0·004
Canada	1079	0·94	0·60, 1·47	0·796	0·69	0·45, 1·06	0·093	0·97	0·62, 1·52	0·886	0·84	0·54, 1·31	0·444	0·59	0·39, 0·89	0·013	0·88	0·57, 1·37	0·569
China	1099	0·83	0·56, 1·25	0·385	0·83	0·55, 1·26	0·385	0·79	0·52, 1·20	0·266	0·66	0·45, 0·97	0·035	0·74	0·51, 1·08	0·120	0·76	0·52, 1·12	0·168
India	1072	1·29	0·91, 1·85	0·155	1·10	0·77, 1·58	0·584	1·08	0·76, 1·54	0·660	1·54	1·09, 2·17	0·015	1·15	0·82, 1·62	0·419	1·17	0·83, 1·64	0·361
New Zealand	1090	1·35	0·79, 2·31	0·275	1·45	0·84, 2·50	0·185	1·12	0·66, 1·89	0·671	1·31	0·78, 2·22	0·310	1·89	1·06, 3·35	0·030	2·15	1·18, 3·94	0·013
UK	1079	2·08	1·37, 3·15	0·001	1·61	1·07, 2·44	0·024	1·87	1·24, 2·83	0·003	1·91	1·31, 2·79	0·001	1·45	1·00, 2·09	0·048	2·24	1·51, 3·31	< 0·001
USA	1093	1·45	0·98, 2·14	0·060	1·15	0·77, 1·73	0·488	2·27	1·49, 3·44	< 0·001	1·83	1·25, 2·67	0·002	1·17	0·81, 1·67	0·402	1·68	1·16, 2·44	0·006

Significant results (P < .05) shown in bold.

^*As per Ref. (11).

^†Reference condition was standard HSR (hybrid monochrome).

^‡Selection of the 4·5-star option; respondents asked which product option they would purchase.

^§Respondents could opt out of making a choice.