Table 2.

Results from crude and multivariable logistic regression analyses examining predictors of occupation recording from the Clinical Record Interactive Search case register*

	N (%) with at least one occupation retrieved by structured field/text mining extractions	OR (95% CI)	aOR† (95% CI)	aOR‡ (95% CI)
Age
16–29	41 653 (49.48)	Reference	Reference	Reference
30–49	68 422 (55.53)	1.27 (1.25 to 1.30)	1.56 (1.53 to 1.59)	1.72 (1.68 to 1.75)
50–69	49 289 (61.70)	1.65 (1.61 to 1.68)	1.98 (1.93 to 2.02)	2.19 (2.14 to 2.25)
70–89	27 175 (61.97)	1.66 (1.63 to 1.70)	1.71 (1.67 to 1.76)	1.60 (1.54 to 1.65)
90+	7077 (66.82)	2.06 (1.97 to 2.15)	2.14 (2.04 to 2.24)	2.00 (1.89 to 2.11)
Gender
Male	96 141 (57.75)	Reference	Reference	Reference
Female	97 443 (55.68)	0.92 (0.91 to 0.93)	0.88 (0.87 to 0.90)	0.87 (0.85 to 0.88)
Other/not known	32 (13.73)	0.12 (0.08 to 0.17)	0.10 (0.07 to 0.15)	0.16 (0.10 to 0.24)
Ethnicity
White British	91 575 (67.19)	Reference	Reference	Reference
Irish	4303 (74.04)	1.39 (1.31 to 1.48)	1.24 (1.17 to 1.33)	1.23 (1.15 to 1.31)
Black Caribbean	24 753 (72.32)	1.28 (1.24 to 1.31)	0.99 (0.96 to 1.02)	1.06 (1.03 to 1.09)
Black African	11 341 (72.45)	1.28 (1.24 to 1.33)	1.07 (1.03 to 1.11)	1.12 (1.07 to 1.17)
Indian	2876 (66.19)	0.96 (0.90 to 1.02)	0.91 (0.85 to 0.97)	0.91 (0.85 to 0.98)
Pakistani	1185 (63.98)	0.87 (0.79 to 0.95)	0.81 (0.73 to 0.90)	0.82 (0.74 to 0.91)
Bangladeshi	719 (66.08)	0.95 (0.84 to 1.08)	0.90 (0.78 to 1.03)	0.94 (0.82 to 1.08)
Chinese	690 (61.39)	0.78 (0.69 to 0.88)	0.73 (0.65 to 0.84)	0.81 (0.71 to 0.92)
Other Asian	3543 (64.42)	0.88 (0.84 to 0.94)	0.82 (0.78 to 0.87)	0.85 (0.80 to 0.91)
Other ethnic group	11 768 (59.89)	0.73 (0.71 to 0.75)	0.77 (0.75 to 0.80)	0.75 (0.72 to 0.77)
Other white	14 610 (66.18)	0.96 (0.93 to 0.98)	0.94 (0.91 to 0.97)	0.97 (0.94 to 1.00)
Mixed race	1197 (63.70)	0.86 (0.78 to 0.94)	0.68 (0.61 to 0.75)	0.78 (0.70 to 0.87)
Not known	25 056 (27.17)	0.18 (0.18 to 0.19)	0.31 (0.31 to 0.32)	0.50 (0.49 to 0.51)
Marital status
Married/civil partnership/cohabiting	31 037 (66.58)	Reference	Reference	Reference
Divorced/separated/civil partnership dissolved	13 346 (77.10)	1.69 (1.62 to 1.76)	1.47 (1.40 to 1.53)	1.41 (1.35 to 1.47)
Widowed	11 309 (71.77)	1.28 (1.23 to 1.33)	1.05 (1.00 to 1.09)	1.05 (1.01 to 1.10)
Single	98 841 (70.04)	1.17 (1.15 to 1.20)	1.02 (1.00 to 1.05)	1.24 (1.21 to 1.27)
Not known	39 083 (32.32)	0.24 (0.23 to 0.25)	0.33 (0.32 to 0.33)	0.49 (0.47 to 0.50)
Local quartiles of neighbourhood deprivation
Least deprived	48 155 (60.54)		Reference	Reference
3rd quartile	47 583 (59.44)	0.96 (0.94 to 0.97)	0.97 (0.95 to 0.99)	0.96 (0.94 to 0.99)
2nd quartile	45 842 (57.47)	0.88 (0.86 to 0.90)	0.94 (0.91 to 0.96)	0.93 (0.91 to 0.95)
Most deprived	41 800 (52.36)	0.72 (0.70 to 0.73)	0.89 (0.87 to 0.91)	0.88 (0.86 to 0.90)
Address not known	10 236 (45.42)	0.54 (0.53 to 0.56)	0.70 (0.67 to 0.72)	0.77 (0.74 to 0.80)
Diagnosis
F30–F39: mood (affective) disorders	27 057 (71.59)	Reference	Reference	Reference
F00–F09: organic, including symptomatic, mental disorders	20 269 (68.01)	0.84 (0.82 to 0.87)	0.91 (0.88 to 0.94)	0.71 (0.68 to 0.74)
F10–F19: mental and behavioural disorders due to psychoactive substance misuse	18 150 (65.12)	0.74 (0.72 to 0.77)	0.71 (0.68 to 0.73)	0.47 (0.45 to 0.49)
F20–F29: schizophrenia, schizotypal and delusional disorders	14 645 (80.23)	1.61 (1.54 to 1.68)	0.87 (0.83 to 0.91)	0.78 (0.74 to 0.82)
F40–F49: neurotic, stress-related and somatoform disorders	19 920 (62.32)	0.66 (0.64 to 0.68)	0.75 (0.72 to 0.77)	0.76 (0.73 to 0.79)
F50–F59: behavioural syndromes associated with physiological disturbances and physical factors	5287 (57.68)	0.54 (0.52 to 0.57)	0.65 (0.62 to 0.68)	0.68 (0.64 to 0.72)
F60–F69: disorders of adult personality and behaviour	4739 (71.75)	1.01 (0.95 to 1.07)	0.68 (0.64 to 0.73)	0.77 (0.72 to 0.82)
F70–F79: mental retardation	2277 (83.35)	1.99 (1.79 to 2.20)	1.81 (1.63 to 2.03)	1.69 (1.51 to 1.90)
F80–F89: disorders of psychological development	4377 (74.78)	1.16 (1.09 to 1.24)	1.22 (1.14 to 1.30)	1.78 (1.66 to 1.92)
F90–F98: behavioural and emotional disorders with onset usually occurring in childhood and adolescence	8754 (72.78)	1.06 (1.01 to 1.11)	1.25 (1.19 to 1.32)	1.84 (1.74 to 1.93)
Other diagnosis	43 787 (52.22)	0.43 (0.42 to 0.45)	(0.68 to 0.72)	0.76 (0.73 to 0.78)
Not known	24 354 (32.14)	0.19 (0.18 to 0.19)	0.44 (0.43 to 0.45)	0.66 (0.64 to 0.68)
Quartiles of ‘events’ entered into the health record
No events	12 012 (23.70)	Reference	Reference	Reference
Least events	35 009 (40.32)	2.17 (2.12 to 2.23)	2.18 (2.13 to 2.23)	1.75 (1.70 to 1.79)
2nd quartile	34 368 (54.72)	3.89 (3.79 to 3.99)	3.89 (3.79 to 3.99)	2.79 (2.71 to 2.87)
3rd quartile	49 237 (71.59)	8.11 (7.90 to 8.33)	8.06 (7.85 to 8.28)	5.01 (4.86 to 5.16)
Most events	62 990 (86.70)	20.98 (20.37 to 21.60)	18.89 (18.29 to 19.50)	9.77 (9.43 to 10.1)
Inpatient bed-days
No inpatient admissions	167 213 (53.75)	Reference	Reference	Reference
Low (1–2)	1408 (82.97)	4.19 (3.69 to 4.76)	1.87 (1.64 to 2.14)	1.68 (1.47 to 1.93)
Moderate (3–31)	8714 (82.31)	4 (3.81 to 4.21)	1.06 (1.00 to 1.11)	1.01 (0.95 to 1.07)
High (32+)	16 281 (88.79)	6.81 (6.51 to 7.14)	1.57 (1.49 to 1.66)	1.32 (1.25 to 1.39)

*All variables listed in this table had a strong association with the outcome variable (p<0.0001), assessed by likelihood ratio tests.

†Adjusted for service contact variables (number of events and inpatient bed-days).

‡Adjusted for all other variables in the table.

aOR, adjusted OR.