INSTRUCTION: The table below shows the characteristics of cases and controls from a case-control study intostressful life events and breast cancer in women. Identify the number of items on the table whether they are:A. NominalB. OrdinalC. IntervalD. Ratio Note: Please do not need an explanation, just the letter of the correct answer on numbers 1-10. Thank you! VariableAge- Social class* (%):IIIII non-manualIII manualIVVVINo of children (%):01235{Age at birth of first childAge at menarcheMenopausal state (%):PremenopausalPerimenopausalPostmenopausalAge at menopauseLifetime use of oral contraceptives (%)6 [No of years taking oral contraceptivesmonthsLifetime use of hormone replacement therapy (%)Mean years of hormone replacement therapyFamily history of ovarian cancer (9)7History of benign breast disease (%)Family history of breast cancer (%)Units of alcohol/week (%):080-45-9>10-No of cigarettes/day:01-9>10-Body mass index (kg/m²)1310Breast cancergroup (n = 106)61.6 (10.9)10 (10)38 (36)28 (26)13 (12)11 (10)3 (3)3(3)15(14)16 (15)42 (40)32 (31)21.3 (5.6)12.8 (1.4)14 (13)9 (9)83 (78)47.7 (4.5)383.0 (5.4)(n = 90)7.4 (9.9)29 (27)1.6 (3.7)8 (8)15 (15)16 (15)38 (36)26 (25)20 (19)22 (21)83 (78.3)8 (7.6)15 (14.2)26.8 (5.5)Control group(n=226)51.0 (8.5)20 (9)82 (36)72 (32)24 (11)21 (9)2 (1)4 (2)31 (14)31 (13.7)84 (37)80 (35)20.5 (4.3)13.0 (1.6)66 (29)43 (19)117 (52)45.6 (5.2)614.2 (5.0)(n = 195)7.4 (12.1)78 (35)1.9 (4.0)10 (4)105 (47)35 (16)59 (26)71 (31)52 (23)44 (20)170 (75.2)14 (6.2)42 (18.6)24.8 (4.2)P value0.000*0.094¹0.970.500*0.200*0.0000.001*0.000¹0.0650.990*0.19380.460*0.2410.0000.9970.927¹0.3830.001*

We know that, there are mainly four type of the scale , A. Nominal B. Ordinal C. Interval D. Ratio…

The table below shows the characteristics of cases and controls from a case-control study into stressful life events and breast cancer in women. Identify the number of items on the table whether they are: A. Nominal B. Ordinal C. Interval D. Ratio

The table below shows the characteristics of cases and controls from a case-control study into stressful life events and breast cancer in women. Identify the number of items on the table whether they are: A. Nominal B. Ordinal C. Interval D. Ratio

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

INSTRUCTION: The table below shows the characteristics of cases and controls from a case-control study into
stressful life events and breast cancer in women. Identify the number of items on the table whether they are:

A. Nominal

B. Ordinal

C. Interval

D. Ratio

Note: Please do not need an explanation, just the letter of the correct answer on numbers 1-10. Thank you!

Variable
Age
- Social class* (%):
II
III non-manual
III manual
IV
V
VI
No of children (%):
0
1
23
5
{Age at birth of first child
Age at menarche
Menopausal state (%):
Premenopausal
Perimenopausal
Postmenopausal
Age at menopause
Lifetime use of oral contraceptives (%)
6 [No of years taking oral contraceptives
months
Lifetime use of hormone replacement therapy (%)
Mean years of hormone replacement therapy
Family history of ovarian cancer (9)
7
History of benign breast disease (%)
Family history of breast cancer (%)
Units of alcohol/week (%):
0
8
0-4
5-9
>10
-No of cigarettes/day:
0
1-9
>10
-Body mass index (kg/m²)
1
3
10
Breast cancer
group (n = 106)
61.6 (10.9)
10 (10)
38 (36)
28 (26)
13 (12)
11 (10)
3 (3)
3
(3)
15
(14)
16 (15)
42 (40)
32 (31)
21.3 (5.6)
12.8 (1.4)
14 (13)
9 (9)
83 (78)
47.7 (4.5)
38
3.0 (5.4)
(n = 90)
7.4 (9.9)
29 (27)
1.6 (3.7)
8 (8)
15 (15)
16 (15)
38 (36)
26 (25)
20 (19)
22 (21)
83 (78.3)
8 (7.6)
15 (14.2)
26.8 (5.5)
Control group
(n=226)
51.0 (8.5)
20 (9)
82 (36)
72 (32)
24 (11)
21 (9)
2 (1)
4 (2)
31 (14)
31 (13.7)
84 (37)
80 (35)
20.5 (4.3)
13.0 (1.6)
66 (29)
43 (19)
117 (52)
45.6 (5.2)
61
4.2 (5.0)
(n = 195)
7.4 (12.1)
78 (35)
1.9 (4.0)
10 (4)
105 (47)
35 (16)
59 (26)
71 (31)
52 (23)
44 (20)
170 (75.2)
14 (6.2)
42 (18.6)
24.8 (4.2)
P value
0.000*
0.094¹
0.97
0.500*
0.200*
0.000
0.001*
0.000¹
0.065
0.990*
0.1938
0.460*
0.241
0.000
0.997
0.927¹
0.383
0.001*

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