Annual Period Prevalence and Risk Factors of Dementia Among Older Jordanian Hospitalized Patients

Figures & data

Table 1 Baseline Characteristics

Risk Factors	Dementia Group (n=406) Frequency (%)	Control Group (n=416) Frequency (%)	Test	P-value
Quantitative variables**
Age	74.4 (8.2)	68 (7.5)	t-test	P<0.001*
Number of comorbidities	1.93 (1.1)	2.05 (1)	t-test	0.12
Body mass index	26.21 (4.2)	29.04 (5.1)	t-test	0.09
Qualitative variables
Gender			Chi-square	0.014*
Male	286 (70.4)	258 (62.3%)
Female	120 (29.6)	156 (37.7%)
Marital status			Chi-square	0.18
Married	318 (78.3)	342 (82.6)
Single	12 (3)	0 (0)
Widow/er	76 (18.7)	68 (16.4)
Divorced	0 (0)	4 (1)
Family history of dementia			Chi-square	P<0.001*
Yes	162 (399)	18 (4.3)
No	244 (60.1)	396 (95.7)
Literacy			Chi-square	P<0.001*
Illiterate	124 (30.5)	85 (14)
Literate	282 (69.5)	356 (86)
Smoking			Chi-square	0.004*
Never smoked	214 (52.7)	272 (65.7)
X smoker	106 (26.1)	56 (13.5)
Smoker	88 (21.2)	86 (20.8)

Notes: *Significant, **data expressed as mean (standard deviation).

Table 2 Description of Dementia (N=31,411))

Incidence	n (%)
Age ≥ 50 years	406 (1.29%)
Age ≥ 50 years (male)	286 (1.47%)
Age ≥ 50 years (female)	120 (0.99%)
Age ≥ 65 years	351 (1.94%)
Age ≥ 65 years (male)	256 (2.22%)
Age ≥ 65 years (female)	95 (1.44%)
Age ≥ 50, < 65 years	55 (0.41%)
Age ≥ 50, < 65 years (male)	37 (0.46%)
Age ≥ 50, < 65 years (female)	18 (0.32%)
Age ≥ 65, < 80 years	229 (1.91%)
Age ≥ 65, < 80 years (male)	179 (2.5%)
Age ≥ 65, < 80 years (female)	50 (1.53%)
Age ≥ 80 years	122 (2.01%)
Age ≥ 80 years (male)	70 (2.53%)
Age ≥ 80 years (female)	52 (1.57%)
Types of dementia
Alzheimer’s disease	300 (73.89%)
Vascular	24 (5.91%)
Lowey bodies	34 (8.37%)
Fronto-temporal	16 (3.94%)
Parkinson dementia	32 (7.88%)
MMSE categories
Mild dementia	202 (49.8%)
Moderate dementia	151 (37.2%)
Sever dementia	53 (13.1%)

Table 3 Final Logistic Regression Model for Dementia Risk Factors Dementia Group (n=406), Control Group (n=416)

Risk Factors	B	df	P value	Odds Ratio	95% Confidence Intervals
Age	0.10	1	P<0.001*	1.10	−0.19 to 0.39
Gender	0.67	1	0.003*	3.08	0.37 to 0.96
Marital status	20.08	3	0.99	3.8	19.7 to 20.2
Number of comorbidities	−0.06	1	0.48	0.94	−0.23 to 0.35
Family history of dementia	−2.72	1	P<0.001*	0.06	2.42 to 301
Literacy	0.97	1	P<0.001*	2.65	0.67 to 1.26
Smoking	−0.36	2	0.26	0.69	0.06 to 0.65

Note: *Significant.