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. 2021 Jul 23;16(7):e0255243. doi: 10.1371/journal.pone.0255243

Table 2. Pearson correlation analysis of the relationship between different risk factors associated with breast cancer.

Age Menstruation Marriage No of Children Tumor type Tumor grade Diet Occupation Education Environment Stress
Age r 1 .074 .101 .239** -.051 -.088 .008 .040 .096 .044 -.026
p .200 .080 .000 .377 .130 .887 .493 .098 .450 .649
Menstruation r 1 -.1* .028 .057 .004 .164** -.021 -.168** -.003 .146*
p .037 .627 .323 .940 .005 .724 .004 .954 .012
Marriage r 1 .096 .080 .003 .122* .067 .036 -.117* -.172**
p .097 .166 .953 .035 .248 .536 .042 .003
No. of children r 1 -.070 .040 .024 -.077 -.025 .032 .076
p .227 .490 .685 .185 .664 .588 .193
Tumor type r 1 .048 .044 -.087 -.038 -.009 -.050
p .407 .450 .133 .515 .876 .384
Tumor grade r 1 .068 .031 -.040 -.107 .111
p .238 .599 .487 .063 .056
Diet r 1 .083 .130* -.103 -.083
p .152 .024 .074 .150
Occupation r 1 .301** .052 -.154**
p .000 .367 .008
Education r 1 .561** -.194**
p .000 .001
Environment r 1 .075
p .194
Stress r 1
p

**. Correlation is significant at the 0.01 level (2-tailed).

*. Correlation is significant at the 0.05 level (2-tailed).