Table 2.

Number of causes by certificate (results from zero-truncated Poisson models)

	Mean (standard deviation)	Univariate analysis	Multivariate analysis
			All-ages type effect 1	Age-specific type effect 2
		RN [IC 95% ]	RN [IC 95% ]	RN [IC 95% ]
All	3.41 (1.89)
Type
Electronic, all ages	3.99 (2.13)	1.20 [1.19-1.21]	1.14 [1.13-1.15]
Paper, all ages	3.39 (1.88)	1.00	1.00
Electronic, <65 years	3.86 (1.96)	1.25 [1.23-1.27]		1.19 [1.17-1.20]
Paper, <65 years	3.17 (1.76)	1.00		1.00
Electronic, ≥65 years	4.04 (2.19)	1.19 [1.18-1.20]		1.12 [1.11-1.13]
Paper, ≥ 65 years	3.44 (1.91)	1.00		1.00
Place of death
Home or elsewhere	3.07 (1.78)	0.81 [0.81-0.82]	0.82 [0.82-0.82]	0.82 [0.82-0.82]
Hospital or private clinic	3.67 (1.94)	1.00	1.00	1.00
Age
<65 years	3.20 (1.77)	0.91 [0.91-0.92]	0.89 [0.89-0.89]	0.89 [0.89-0.89]
≥65 years	3.47 (1.92)	1.00	1.00	1.00
Underlying cause of death
Violent deaths	3.58 (2.05)	1.07 [1.06-1.07]	1.16 [1.15-1.17]	1.16 [1.15-1.17]
Cardiovascular diseases	3.46 (1.89)	1.02 [1.02-1.03]	1.05 [1.04-1.05]	1.05 [1.04-1.05]
Respiratory diseases	3.58 (1.85)	1.07 [1.06-1.07]	1.06 [1.05-1.06]	1.06 [1.05-1.06]
Gastrointestinal diseases	3.89 (1.98)	1.17 [1.16-1.18]	1.16 [1.15-1.16]	1.16 [1.15-1.16]
Others	3.23 (1.99)	0.95 [0.94-0.95]	0.99 [0.99-1.00]	0.99 [0.99-1.00]
Neoplasms	3.39 (1.75)	1.00	1.00	1.00

RN: Relative number of causes by certificate.

¹Model adjusted on age, type of certificate, place of occurrence of death, gender, initial cause of death, and region of death (data not shown).

²Same model as ¹ with age-specific type effect.