Table 2.

HR and 95 % CI for incident depression (diagnosis of depression) according to baseline categories of adherence to the DASH diet indices in the SUN study population; SUN Project, 1999–2011

	–		≤2 points		3 points		4 points		≥5 points
	HR	95 % CI	HR	95 % CI	HR	95 % CI	HR	95 % CI	HR	95 % CI	P trend
Dixon’s DASH index
No. of cases/person-years	–		116/32964		147/36787		81/18416		66/12266
Multiple-adjusted model	–		1·00	ref.	1·14	0·89, 1·46	1·21	0·90, 1·63	1·44	1·05, 1·99	0·108
	Q1		Q2		Q3		Q4		Q5
	HR	95 % CI	HR	95 % CI	HR	95 % CI	HR	95 % CI	HR	95 % CI	P trend
Mellen’s DASH index
No. of cases/person-years	128/27224		72/22755		31/11787		88/19925		91/18742
Multiple-adjusted model	1·00	ref.	0·68	0·51, 0·91	0·55	0·37, 0·83	0·93	0·70, 1·24	1·02	0·76, 1·37	0·430
Fung’s DASH index
No. of cases/person-years	133/26197		66/21307		56/14390		74/22150		81/16389
Multiple-adjusted model	1·00	ref.	0·62	0·46, 0·84	0·79	0·58, 1·09	0·68	0·51, 0·92	1·09	0·81, 1·45	0·553
Günther’s DASH index
No. of cases/person-years	97/22271		76/20054		67/21076		82/20384		88/16647
Multiple-adjusted model	1·00	ref.	0·84	0·62, 1·13	0·72	0·52, 0·99	0·87	0·64, 1·18	1·22	0·90, 1·65	0·235

HR, hazard ratio; SUN, Seguimiento Universidad de Navarra/University of Navarra Follow-up; DASH, Dietary Approaches to Stop Hypertension; ref., reference category.

HR estimated with Cox regression and 95 % CI. If the CI includes 1·00, the results are not significant (two-tailed P> 0·05). Bold values indicate statistical significance (P<0·05). Multiple-adjusted model: adjusted for sex, smoking (never, current, former), physical activity (quartiles), energy intake (quartiles), living alone (yes/no), unemployment (unemployed or no), marital status (married or not), baseline hypertension (yes/no), weight change (quartiles), and for the personality traits competitive, relaxed and dependant (from 0 to 10). All models were stratified by date of recruitment (2-year periods) and deciles of age.