Prevalence of Nasal colonization with Staphylococcus aureus in 4 cities in Peru

Table 1 Demographic characteristics of study participants

Variable	Frequency (N = 756)	Percentage (%)
Age
18 – 29 years	450	59.5
30 – 39 years	95	12.6
40 – 49 years	151	20.0
50 years or more	60	7.9
Time of service
10 years or less	463	61.2
11 – 20 years	103	13.6
20 years or more	190	25.1
Sex
Female	146	19.3
Male	610	80.7
Rank
Officers	84	11.1
Non-Commissioned Officers	368	48.7
Troops	304	40.2
Base of recruitment
Iquitos	253	33.5
Arequipa	164	21.7
Talara	162	21.4
Lima	177	23.4
Administrative activities
No	510	67.5
Yes	246	32.5
Instruction activities
No	483	63.9
Yes	273	36.1
Combat activities
No	535	70.8
Yes	221	29.2
Number of activities
Not related	106	14.0
Unique	580	76.7
Multiple	70	9.3
Place of residence
Barracks	250	33.1
Inside the base	114	15.1
Outside the base	392	51.9
Medical conditions
No	604	79.9
Yes	152	20.1
Number of medical conditions
None	604	79.9
One disease	118	15.6
More than one disease	34	4.5
Use of antibiotics in the previous year
No	427	56.5
Yes	263	34.8
Unknown	66	8.7
Use of corticosteroids in the previous year
No	536	70.9
Yes	153	20.2
Unknown	67	8.9
Hospitalized during the previous year
No	645	85.3
Yes	88	11.6
Unknown	23	3.0
Diagnosis of SSTIs during the previous year
No	671	88.8
Yes	44	5.8
Unknown	41	5.4
Smoking status
Never	345	45.6
Past smoker	126	16.7
Current smoker	259	34.2

ISSN: 2055-0936